Add 9 first days

2021-01-08 23:41:37 +11:00
parent 4846e7c811
commit 2fd73ae5d1
49 changed files with 9734 additions and 0 deletions
--- a/1-report_repair/.gitignore
+++ b/1-report_repair/.gitignore
@@ -0,0 +1 @@
 /target
--- a/1-report_repair/.vscode/tasks.json
+++ b/1-report_repair/.vscode/tasks.json
@@ -0,0 +1,13 @@
 {
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 				"$rustc"
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 }
--- a/1-report_repair/Cargo.lock
+++ b/1-report_repair/Cargo.lock
@@ -0,0 +1,239 @@
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--- a/1-report_repair/Cargo.toml
+++ b/1-report_repair/Cargo.toml
@@ -0,0 +1,11 @@
 [package]
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 authors = ["Guilhem MARION <gmarion@netc.fr>"]
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 [dependencies]
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--- a/1-report_repair/data/input.txt
+++ b/1-report_repair/data/input.txt
@@ -0,0 +1,200 @@
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--- a/1-report_repair/src/main.rs
+++ b/1-report_repair/src/main.rs
@@ -0,0 +1,66 @@
 use std::io::{BufRead, BufReader};
 use std::path::{PathBuf, Path};
 use std::fs::File;
 use itertools::Itertools;
 use structopt::StructOpt;
 #[derive(StructOpt, Debug)]
 struct Opt {
    /// Input file
    #[structopt(parse(from_os_str))]
    input_file: PathBuf,
 }
 fn main() {
    // Check argv
    let opts = Opt::from_args();
    // eprintln!("opts = {:?}",   opts);
    // Load file if possible
    let file_path = Path::new(&opts.input_file);
    let input = File::open(file_path).unwrap();
    let buffered_input = BufReader::new(input);
    let lines: Vec<String> = buffered_input.lines().filter_map(Result::ok).collect();
    // eprintln!("lines_iter = {:?}", lines_iter);
    /* First, naïve solution */
    // while let Some(line) = lines_iter.next() {
    //     let iter_clone = lines_iter.clone();
    //     // eprintln!("iter_clone = {:#?}", iter_clone);
    //     for line2 in iter_clone {
    //         let l1: i64 = line.parse().unwrap();
    //         let l2: i64 = line2.parse().unwrap();
    //         if l1 + l2 == 2020 {
    //             eprintln!("l1 = {:#?}", l1);
    //             eprintln!("l2 = {:#?}", l2);
    //             dbg!(l1 + l2);
    //             dbg!(l1 * l2);
    //         }
    //     }
    // }
    let res_two = find_2_sum_to_2020(lines.iter().filter_map(|x| Result::ok(x.parse::<i64>())).collect());
    let res_three = find_3_sum_to_2020(lines.iter().filter_map(|x| Result::ok(x.parse::<i64>())).collect());
    //let res_three = find_sum_to_2020(3);
 }
 fn find_3_sum_to_2020(numbers: Vec<i64>) -> Option<(i64,i64, i64)> {
    for (i,j, k) in numbers.into_iter().tuple_combinations() {
        if i + j + k == 2020 {
            println!("Found {} and {} and {} whose sum is {} and whose product is {}", i, j, k, i+j+k, i*j*k);
            return Some((i,j,k));
        }
    }
    None
 }
 fn find_2_sum_to_2020(numbers: Vec<i64>) -> Option<(i64,i64)> {
    for (i,j) in numbers.iter().tuple_combinations() {
        if i + j == 2020 {
            println!("Found {} and {} whose sum is {} and whose product is {}", i, j, i+j, i*j);
            return Some((*i,*j));
        }
    }
    None
 }
--- a/2-password_philosophy/.gitignore
+++ b/2-password_philosophy/.gitignore
@@ -0,0 +1 @@
 /target
--- a/2-password_philosophy/Cargo.lock
+++ b/2-password_philosophy/Cargo.lock
@@ -0,0 +1,70 @@
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--- a/2-password_philosophy/Cargo.toml
+++ b/2-password_philosophy/Cargo.toml
@@ -0,0 +1,11 @@
 [package]
 name = "password_philosophy"
 version = "0.1.0"
 authors = ["Guilhem MARION <gmarion@netc.fr>"]
 edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 [dependencies]
 anyhow = "1.0.35"
 thiserror = "1.0.22"
--- a/2-password_philosophy/data/input.txt
+++ b/2-password_philosophy/data/input.txt
--- a/2-password_philosophy/src/main.rs
+++ b/2-password_philosophy/src/main.rs
@@ -0,0 +1,111 @@
 use std::ops::RangeInclusive;
 use anyhow::Result;
 #[derive(Debug, PartialEq)]
 struct PasswordPolicy {
    char: u8,
    range: RangeInclusive<usize>,
 }
 impl PasswordPolicy {
    fn check_password(&self, password: &str) -> bool {
        self.range.contains(
            &password
                .as_bytes()
                .iter().
                filter(|&&c| c == self.char)
                .count()
        )
    }
    fn check_password_newpolicy(&self, password: &str) -> bool {
        (password.chars().nth(self.range.start()-1).unwrap() as u8 == self.char) ^ (password.chars().nth(self.range.end()-1).unwrap() as u8 == self.char)
    }
 }
 #[derive(Debug, thiserror::Error)]
 enum ParseError {
    #[error("Expected {0}")]
    Expected(&'static str)
 }
 fn parse_line(line: &str) -> Result<(PasswordPolicy,String)> {
    let (policy_s, password) = {
        let mut tokens = line.split(": ");
        (
            tokens.next().ok_or(ParseError::Expected("Coucou"))?,
            tokens.next().ok_or(ParseError::Expected("Coincoin"))?,
        )
    };
    let policy = {
        let (range_s, char_s) = {
            let mut tokens = policy_s.split(' ');
            (
                tokens.next().ok_or(ParseError::Expected("Range"))?,
                tokens.next().ok_or(ParseError::Expected("Char"))?,
            )
        };
        let (min_s, max_s) = {
            let mut tokens = range_s.split('-');
            (
                tokens.next().ok_or(ParseError::Expected("Min"))?,
                tokens.next().ok_or(ParseError::Expected("Max"))?,
            )
        };
        PasswordPolicy {
            char: if char_s.len() == 1 {
                char_s.as_bytes()[0]
            } else {
                // return Err(ParseError::Expected("policy byte to be exactly one byte"));
                return Err(ParseError::Expected("password policy byte to be exactly 1 byte").into());
            },
            range: (min_s.parse()?)..=(max_s.parse()?),
        }
    };
    Ok((policy, password.to_string()))
 }
 fn main() -> Result<()> {
    let count = include_str!("../data/input.txt")
        .lines()
        .map(parse_line)
        .map(Result::unwrap)
        .filter(|(policy,password)| policy.check_password(password))
        .count();
    println!("{} passes are valid", count);
    let count_new_policy = include_str!("../data/input.txt")
        .lines()
        .map(parse_line)
        .map(Result::unwrap)
        .filter(|(policy,password)| policy.check_password_newpolicy(password))
        .count();
    println!("{} passes are valid with new policy", count_new_policy);
    Ok(())
 }
 #[cfg(test)]
 mod tests {
    use super::*;
    #[test]
    fn test_is_valid() {
        let policy = PasswordPolicy{ char: b'b', range: 1..=4 };
        assert_eq!(policy.check_password("boumbaby"), true);
        assert_eq!(policy.check_password("b-b-b-boumbaby"), false);
        assert_eq!(policy.check_password("oumay"), false);
    }
    #[test]
    fn test_parse_line() {
        assert_eq!(
            parse_line("1-5 b: boulbi").unwrap(),
            (
                PasswordPolicy {
                    char: b'b',
                    range: 1..=5,
                },
                "boulbi".to_owned(),
            )
        )
    }
 }
--- a/3-toboggan_trajectory/.gitignore
+++ b/3-toboggan_trajectory/.gitignore
@@ -0,0 +1 @@
 /target
--- a/3-toboggan_trajectory/Cargo.lock
+++ b/3-toboggan_trajectory/Cargo.lock
@@ -0,0 +1,5 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
 [[package]]
 name = "toboggan_trajectory"
 version = "0.1.0"
--- a/3-toboggan_trajectory/Cargo.toml
+++ b/3-toboggan_trajectory/Cargo.toml
@@ -0,0 +1,9 @@
 [package]
 name = "toboggan_trajectory"
 version = "0.1.0"
 authors = ["Guilhem MARION <gmarion@netc.fr>"]
 edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 [dependencies]
--- a/3-toboggan_trajectory/data/input.txt
+++ b/3-toboggan_trajectory/data/input.txt
@@ -0,0 +1,323 @@
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--- a/3-toboggan_trajectory/src/lib.rs
+++ b/3-toboggan_trajectory/src/lib.rs
@@ -0,0 +1,133 @@
 use std::{fmt};
 #[derive(Clone, Copy, PartialEq)]
 pub enum Terrain {
    Plain,
    Tree,
 }
 impl Default for Terrain {
    fn default() -> Self {
        Terrain::Plain
    }
 }
 impl fmt::Debug for Terrain {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "{}", match self {
            Terrain::Plain => '.',
            Terrain::Tree => '#',
        })
    }
 }
 #[derive(Debug, Copy, Clone, PartialEq, Default)]
 pub struct Vec2 {
    pub x: i64,
    pub y: i64,
 }
 impl From<(i64, i64)> for Vec2 {
    fn from((x,y): (i64, i64)) -> Self {
        Self { x, y }
    }
 }
 #[derive(Clone)]
 pub struct Map {
    size: Vec2,
    tiles: Vec<Terrain>
 }
 impl fmt::Debug for Map {
    fn fmt(&self,f: &mut fmt::Formatter) -> fmt::Result {
        // A most honourable moment, but chaining debugs means lots of spare ""[]
        //let dd: Vec<String> = self.tiles.chunks_exact(self.size.x as usize).map(|x| format!("{:?}", x)).collect();
        for line in self.tiles.chunks_exact(self.size.x as usize) {
            let line_s: String = line.iter().map(|x| format!("{:?}", x)).collect();
            writeln!(f, "{}", line_s)?
        }
        // let banana = self.tiles
        //     .chunks_exact(self.size.x as usize)
        //     .map(|x| format!("{:?}", x))
        //     .collect::<Vec<String>>()
        //     .join("\n");
        // writeln!(f, "{}", banana)
        Ok(())
    }
 }
 impl Map {
    pub fn new(size: Vec2) -> Self {
        Self {
            size,
            tiles: vec![Default::default();(size.x*size.y) as usize]
        }
    }
    pub fn get(&self, pos: Vec2) -> Terrain {
        self.tiles[self.idx(pos).unwrap_or_default()]
    }
    pub fn set(&mut self, pos: Vec2, tile: Terrain) {
        if let Some(idx) = self.idx(pos) {
            self.tiles[idx] = tile;
        }
    }
    fn wrap_coords(&self, pos: Vec2) -> Option<Vec2> {
        if !(0..=self.size.y).contains(&pos.y) {
            None
        } else {
            Some(Vec2{
                x: pos.x % self.size.x,
                y: pos.y})
        }
    }
    fn idx(&self, pos: Vec2) -> Option<usize> {
        self.wrap_coords(pos).map(|pos| (pos.x + pos.y * self.size.x) as usize)
    }
    pub fn from_bytes(s: &[u8]) -> Self {
        let rows = s.iter().filter(|&&x| x == b'\n').count();
        let cols = (s.len() - rows) / rows;
        println!("Size : {} {}", rows, cols);
        let mut res = Self::new((cols as i64,rows as i64).into());
        let mut pos = Vec2 { x: 0, y: 0 };
        for tile in s {
            match tile {
                b'\n' => {
                    pos.y += 1;
                    pos.x = 0;
                }
                b'#' => {
                    res.set(pos, Terrain::Tree);
                    pos.x += 1;
                }
                _ => {
                    res.set(pos, Terrain::Plain);
                    pos.x += 1;
                }
            }
        }
        res
    }
    pub fn solve(&self, slope: (i64, i64)) -> i64 {
        let mut seek_pos = Vec2 { x: 0, y: 0};
        let mut tree_count = 0;
        loop {
            if self.get(seek_pos) == Terrain::Tree {
                tree_count += 1;
            }
            if seek_pos.y + slope.1 >= self.size.y {
                break;
            }
            seek_pos.y += slope.1;
            seek_pos.x += slope.0;
        } 
        tree_count
    }
 }
--- a/3-toboggan_trajectory/src/main.rs
+++ b/3-toboggan_trajectory/src/main.rs
@@ -0,0 +1,17 @@
 use toboggan_trajectory::*;
 fn main() {
    let map_str = include_str!("../data/input.txt");
    // println!("{}", map_str);
    let map: Map = Map::from_bytes(map_str.as_bytes());
    // println!("{:#?}", map);
    eprintln!("First part solution = {}", map.solve((3,1)));
    let sols: i64 = vec![
        (1, 1),
        (3, 1),
        (5, 1),
        (7, 1),
        (1, 2),
    ].iter().map(|slope| map.solve(*slope)).product();
    println!("Second part solution = {}", sols);
 }
--- a/3-toboggan_trajectory/src/tests.rs
+++ b/3-toboggan_trajectory/src/tests.rs
@@ -0,0 +1,54 @@
 #[cfg(test)]
 mod tests {
    use super::*;
    #[test]
    fn test_vec2_from_tuple() {
        // let v: Vec2 = (32, 75).into();
        let v = Vec2::from((32, 75));
        assert_eq!(v, Vec2 {x: 32, y: 75})
    }
    #[test]
    fn test_format_map() {
        let m = Map{
            size: Vec2{x: 2, y:2},
            tiles: vec!(Terrain::Tree, Terrain::Plain, Terrain::Plain, Terrain::Plain)
        };
        assert_eq!(format!("{:?}", m), "#.\n..\n")
    }
    #[test]
    fn test_normalize_pos() {
        let m = Map::new((2, 2).into());
        assert_eq!(m.normalize_pos((0, 0).into()), Some((0, 0).into()));
        assert_eq!(m.normalize_pos((1, 0).into()), Some((1, 0).into()));
        assert_eq!(m.normalize_pos((2, 0).into()), Some((0, 0).into()));
        assert_eq!(m.normalize_pos((-1, 0).into()), Some((1, 0).into()));
        assert_eq!(m.normalize_pos((-2, 0).into()), Some((0, 0).into()));
        assert_eq!(m.normalize_pos((0, -1).into()), None);
        assert_eq!(m.normalize_pos((0, 2).into()), None);
    }
    #[test]
    fn test_index() {
        let m = Map::new((3, 5).into());
        assert_eq!(m.index((0, 0).into()), Some(0));
        assert_eq!(m.index((2, 0).into()), Some(2));
        assert_eq!(m.index((0, 1).into()), Some(3));
        assert_eq!(m.index((2, 1).into()), Some(5));
    }
    #[test]
    fn test_create_map() {
        let mut map = Map::new(Vec2{x:5,y:5});
        let trees: Vec<Vec2> = vec![
            (1,2).into(),
            (2,1).into(),
            (3,3).into(),
            (1,4).into(),
            (5,1).into(),
        ];
        trees.iter().for_each(|pos| map.set(*pos, Terrain::Tree));
        println!("{:?}", map)
    }
 }
--- a/4-passport_processing/.gitignore
+++ b/4-passport_processing/.gitignore
@@ -0,0 +1 @@
 /target
--- a/4-passport_processing/Cargo.lock
+++ b/4-passport_processing/Cargo.lock
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 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
--- a/4-passport_processing/Cargo.toml
+++ b/4-passport_processing/Cargo.toml
@@ -0,0 +1,10 @@
 [package]
 name = "passport_processing"
 version = "0.1.0"
 authors = ["Guilhem MARION <gmarion@netc.fr>"]
 edition = "2018"
 [dependencies]
 anyhow = "1.0.36"
 regex = "1.4.2"
 thiserror = "1.0.22"
--- a/4-passport_processing/data/input.txt
+++ b/4-passport_processing/data/input.txt
@@ -0,0 +1,953 @@
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 hcl:03199c
 pid:#3e832e
 byr:2014 ecl:#453931 hgt:70cm
 byr:1975
 ecl:blu hcl:#7d3b0c
 cid:169 pid:582470437 hgt:151cm
 iyr:2019 eyr:2027
 iyr:2017 byr:1971 pid:343492418 hgt:150cm hcl:#fffffd eyr:2024
 byr:1997
 eyr:2026
 cid:257 hcl:#7d3b0c ecl:blu hgt:166cm iyr:2016 pid:117625518
 iyr:2014 cid:248 hgt:165cm hcl:#18171d pid:294270262
 byr:1925 ecl:amb
 eyr:2028
 hgt:167in ecl:dne pid:174cm iyr:2019 byr:2005 hcl:b29331 cid:86
 hcl:#733820 pid:259969636 eyr:2023
 ecl:hzl cid:317
 hgt:185cm byr:2025
 iyr:2012
 hcl:#cfa07d hgt:152cm pid:807755992 iyr:2020
 byr:1922 ecl:grn eyr:2025 cid:241
 pid:997807107 byr:1958 ecl:dne iyr:2013 eyr:2023 hcl:#18171d
 hgt:152cm
 ecl:blu hgt:170cm
 byr:1932
 pid:775223495 eyr:2024 iyr:2015
 iyr:2011
 ecl:grn hcl:#ceb3a1 pid:190577415
 hgt:63in
 eyr:2021
 byr:1986
 ecl:oth eyr:2025 hgt:180cm
 pid:258195402 iyr:2017
 byr:1961
 cid:109 hcl:#888785
 hgt:178cm byr:1952 eyr:2023 hcl:#733820
 pid:106939563 ecl:brn iyr:2012
 hgt:188cm iyr:2012 hcl:#fffffd byr:1942
 ecl:brn pid:804371742
 byr:1978 cid:120
 eyr:2026 pid:405714523 hgt:60in
 hcl:#a97842 ecl:blu
 iyr:2017
 iyr:2015 byr:1958 ecl:grn
 hcl:#b6652a pid:#9e8af3
 eyr:2026 hgt:167cm
 hgt:171cm hcl:#888785
 cid:274
 ecl:grn pid:919263460 eyr:2023 iyr:2020
 pid:606726472 eyr:2022
 byr:2008
 ecl:zzz cid:72 hgt:173in
 eyr:2032 byr:2004
 hcl:z iyr:2011 ecl:hzl
 pid:523494728
 hgt:70cm
 hgt:169cm pid:755822781 byr:1984 ecl:hzl hcl:#6b5442 iyr:2014
 eyr:2020
 byr:1942 cid:85
 hgt:157cm pid:558287447 hcl:#efcc98
 ecl:hzl
 byr:1980 cid:225 pid:367501996 iyr:2016 ecl:grn hcl:#efcc98
 hgt:175cm eyr:2029
 pid:264780775 hgt:182cm ecl:grn
 hcl:#18171d
 eyr:2024
 byr:1926 iyr:2013
 byr:1969 iyr:2015
 eyr:2026 ecl:blu
 hcl:#fffffd
 pid:005695878 cid:273
 ecl:brn byr:2006 hgt:152cm
 hcl:#888785
 pid:171cm cid:249 iyr:2026
 eyr:2022
 byr:2011 iyr:2020 ecl:zzz hcl:z pid:412624100
 eyr:2031
 cid:111 hcl:df9bd0
 iyr:2022 ecl:#32fdf9
 byr:2017 eyr:2000
 hgt:166in pid:0654651026
 eyr:2021
 ecl:gry pid:587324819 hgt:187cm byr:1951 hcl:#6b5442
 iyr:2011
 pid:180780096 hcl:#623a2f ecl:amb hgt:160cm byr:1991 eyr:2026
 byr:2022 hgt:152cm eyr:2023 cid:70 ecl:grn
 hcl:e0a24e
 iyr:1959 pid:77110462
 pid:251982311 byr:1994 ecl:gry hgt:165cm eyr:2021
 hcl:#623a2f
 iyr:2019
 ecl:blu byr:1945
 cid:241
 pid:732768808 hcl:#efcc98
 hgt:171cm eyr:2020 iyr:2012
 cid:243 eyr:2001
 hcl:01a022
 hgt:162 pid:507703455
 byr:2003 ecl:#c6a07b
 iyr:1941
 hcl:#733820 cid:150
 ecl:hzl pid:843607639 hgt:190cm
 byr:1958
 eyr:2025
 eyr:2030
 pid:489370607 iyr:2014 ecl:oth hcl:#cfa07d byr:1995 hgt:193cm
 hgt:68in
 byr:1933
 iyr:2010 ecl:brn
 pid:380075958
 hcl:#623a2f cid:279
 eyr:2025
 iyr:2019
 byr:2001
 hcl:#cfa07d ecl:brn pid:349877352
 hgt:161cm eyr:2029
 hgt:171cm
 eyr:2040 ecl:dne hcl:#6b5442 iyr:2020 byr:1990
 hcl:#fffffd
 hgt:154cm
 byr:1979 eyr:2020 iyr:2018
 pid:118713281 cid:174
 hcl:#7d3b0c eyr:2030 ecl:brn iyr:2017
 cid:184 hgt:180cm pid:504181498 byr:1925
 hgt:150cm
 eyr:2020 byr:1999 hcl:#a97842 iyr:2011 ecl:grn pid:620166468
 hcl:#602927
 iyr:2015
 byr:1928
 pid:083747352
 eyr:2027 hgt:193cm
 ecl:hzl
 byr:1938 ecl:gry
 pid:511669464 eyr:1973 hgt:70cm
 cid:262 iyr:2015 hcl:#c0946f
 eyr:2029
 byr:1923 hgt:160cm hcl:#7d3b0c iyr:2013 pid:525837692 ecl:gry
 hcl:#602927 eyr:2025
 pid:232338168 hgt:174cm cid:322 iyr:2010 ecl:oth
 hgt:192in cid:126 hcl:#6b5442
 pid:101406211 byr:1922 ecl:hzl eyr:2022 iyr:2013
 eyr:2026 ecl:amb
 byr:1921
 cid:336
 iyr:2020 hgt:182cm pid:533626984
 pid:411943955 ecl:amb eyr:2025 hgt:166cm byr:1964 hcl:#341e13 cid:285
 iyr:2010
 ecl:grn byr:1933 eyr:2024
 hgt:153cm
 hcl:#5cfb31 iyr:2019 pid:773885967
 ecl:hzl pid:426060511
 hgt:159cm
 byr:1922 hcl:#6ffd04 iyr:2017
 byr:2025 pid:#097d1b iyr:2020 eyr:2029 hcl:73d113 hgt:69cm ecl:utc
 ecl:amb hgt:170cm eyr:2025 byr:1930 iyr:2018 hcl:#733820
 cid:262
 iyr:2019
 eyr:2021
 cid:65 pid:258615618
 ecl:oth byr:1987
 hcl:#efcc98
 hgt:178cm
 hcl:z eyr:1980 ecl:#1c5fd1 hgt:65cm byr:2014
 cid:222 pid:#c69fd5 iyr:2020
 cid:271 pid:#4b8380 hcl:80fab0
 byr:2024 ecl:#20e25f
 iyr:1945
 eyr:1935 hgt:159cm
--- a/4-passport_processing/src/main.rs
+++ b/4-passport_processing/src/main.rs
@@ -0,0 +1,191 @@
 use std::{collections::HashMap, str::FromStr};
 use anyhow::Result;
 use regex::Regex;
 #[derive(Debug,thiserror::Error)]
 enum ParseError {
    #[error("Expected {0}")]
    Expected(String)
 }
 #[derive(Debug,PartialEq, Eq, Hash)]
 enum EntryType {
    Byr,
    Iyr,
    Eyr,
    Hgt,
    Hcl,
    Ecl,
    Pid,
    Cid,
 }
 impl FromStr for EntryType {
    type Err = ParseError;
    fn from_str(s: &str) -> Result<Self, Self::Err> {
        match s {
            "byr" => Ok(Self::Byr),
            "iyr" => Ok(Self::Iyr),
            "eyr" => Ok(Self::Eyr),
            "hgt" => Ok(Self::Hgt),
            "hcl" => Ok(Self::Hcl),
            "ecl" => Ok(Self::Ecl),
            "pid" => Ok(Self::Pid),
            "cid" => Ok(Self::Cid),
            _ => Err(ParseError::Expected(format!("byr, iyr, eyr, hgt, hcl, ecl, pid, cid, but got {}", s)))
        }
    }
 }
 impl EntryType {
    pub fn is_valid(&self, value: &Option<&str>) -> bool {
        match (*value, self) {
            (Some(value), EntryType::Byr) => {
                // four digits; at least 1920 and at most 2002.
                match str::parse::<i64>(value) {
                    Ok(number) => {
                        (1920..=2002).contains(&number)
                    }
                    Err(_) => { false }
                }
            }
            (Some(value), EntryType::Iyr) => {
                // four digits; at least 2010 and at most 2020.
                match str::parse::<i64>(value) {
                    Ok(number) => {
                        (2010..=2020).contains(&number)
                    }
                    Err(_) => { false }
                }
            }
            (Some(value), EntryType::Eyr) => {
                // four digits; at least 2020 and at most 2030.
                match str::parse::<i64>(value) {
                    Ok(number) if (2020..=2030)
                        .contains(&number) => true,
                    _ =>  false
                }
            }
            (Some(value), EntryType::Hgt) => {
                // a number followed by either cm or in:
                // if cm, the number must be at least 150 and at most 193.
                // if in, the number must be at least 59 and at most 76.
                let rex_cm = Regex::new(r"(\d*)cm").unwrap();
                let rex_in = Regex::new(r"(\d*)in").unwrap();
                if rex_cm.is_match(value) {
                    let m = rex_cm.captures(value);
                    // At least "None" fails the test
                    match str::parse::<i64>(m.unwrap().get(1).unwrap().as_str()) {
                        Ok(height) if (150..=193).contains(&height) => true,
                        _ => false 
                    }
                } else if rex_in.is_match(value) {
                    let m = rex_in.captures(value);
                    // At least "None" fails the test
                    match str::parse::<i64>(m.unwrap().get(1).unwrap().as_str()) {
                        Ok(height) if (59..=76).contains(&height) => true,
                        _ => false 
                    }
                } else {
                    false
                }
            }
            (Some(value), EntryType::Hcl) => {
                // a # followed by exactly six characters 0-9 or a-f.
                //probably ok as long as we deal with ascii right ?
                let rex = Regex::new(r"([a-z]|[0-9]){6}").unwrap();
                value.starts_with('#') && rex.is_match(&(value.chars().skip(1).collect::<String>()))
            }
            (Some(value), EntryType::Ecl) => {
                // exactly one of: amb blu brn gry grn hzl oth.
                let valid_values = vec!["amb", "blu", "brn", "gry", "grn", "hzl", "oth"];
                valid_values.contains(&value)
            }
            (Some(value), EntryType::Pid) => {
                // a nine-digit number, including leading zeroes.
                // probably ok if we deal only with ascii right ?
                value.as_bytes().len() == 9 && str::parse::<i64>(value).is_ok()
            }
            (_, EntryType::Cid) => {
                // ignored, missing or not
                true
            }
            _ => false
        }
    }
 }
 #[derive(Debug)]
 struct Passport<'a> {
    fields: HashMap<EntryType, Option<&'a str>>
 }
 impl<'a> Passport<'a> {
    fn new() -> Self {
        let mut res = Self {
            fields: HashMap::new()
        };
        res.fields.insert(EntryType::Byr, None);
        res.fields.insert(EntryType::Iyr, None);
        res.fields.insert(EntryType::Eyr, None);
        res.fields.insert(EntryType::Hgt, None);
        res.fields.insert(EntryType::Hcl, None);
        res.fields.insert(EntryType::Ecl, None);
        res.fields.insert(EntryType::Pid, None);
        res.fields.insert(EntryType::Cid, None);
        res
    }
    fn parse(&mut self, s: &'static str) {
        for entry_s in s.split(&[' ', '\n'][..]) {
            let mut tokens = entry_s.split(':');
            if let Ok(etype) = EntryType::from_str(tokens.next().unwrap()) {
                self.fields.insert(etype, tokens.next());
            }
        }
    }
    fn is_valid_legacy(&self, mandatory_cid: bool) -> bool {
        self.fields.iter().all(|(key, value)| {
            (!mandatory_cid && *key == EntryType::Cid) ||
                *value != None
        })
    }
    fn is_valid(&self) -> bool {
        self.fields.iter().all(|(key, value)| {
            key.is_valid(value)
        })
    }
 }
 fn main() {
    let data = include_str!("../data/input.txt");
    // eprintln!("data = {}", data);
    //eprintln!("data.split() = {:?}", data.split("\n\n").collect::<Vec<&str>>());
    let passports: Vec<Passport> = data.split("\n\n").map(|pass_str| {
        let mut res = Passport::new();
        res.parse(pass_str);
        res
    }).collect();
    // eprintln!("passports = {:#?}", passports);
    // eprintln!("passports.size() = {:#?}", passports.len());
    let nb_valid = passports.iter().filter(|p| (*p).is_valid_legacy(false)).count();
    eprintln!("nb_valid = {:#?}", nb_valid);
    let nb_valid_secondpass = passports.iter().filter(|p| p.is_valid()).count();
    eprintln!("nb_valid_secondpass = {:#?}", nb_valid_secondpass);
 }
 #[cfg(test)]
 mod tests {
    use super::*;
    #[test]
    fn test_validation() {
        let mut pass = Passport::new();
        pass.parse("cid:271 pid:009457684 hcl:#80fab0\nbyr:1999 ecl:blu\niyr:2015\neyr:2029 hgt:159cm");
        eprintln!("pass = {:#?}", pass);
        assert_eq!(pass.is_valid(), true)
    }
 }
--- a/5-binary_boarding/.gitignore
+++ b/5-binary_boarding/.gitignore
@@ -0,0 +1 @@
 /target
--- a/5-binary_boarding/Cargo.lock
+++ b/5-binary_boarding/Cargo.lock
@@ -0,0 +1,70 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
 [[package]]
 name = "anyhow"
 version = "1.0.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "68803225a7b13e47191bab76f2687382b60d259e8cf37f6e1893658b84bb9479"
 [[package]]
 name = "binary_boarding"
 version = "0.1.0"
 dependencies = [
 "anyhow",
 "thiserror",
 ]
 [[package]]
 name = "proc-macro2"
 version = "1.0.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e0704ee1a7e00d7bb417d0770ea303c1bccbabf0ef1667dae92b5967f5f8a71"
 dependencies = [
 "unicode-xid",
 ]
 [[package]]
 name = "quote"
 version = "1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "991431c3519a3f36861882da93630ce66b52918dcf1b8e2fd66b397fc96f28df"
 dependencies = [
 "proc-macro2",
 ]
 [[package]]
 name = "syn"
 version = "1.0.55"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a571a711dddd09019ccc628e1b17fe87c59b09d513c06c026877aa708334f37a"
 dependencies = [
 "proc-macro2",
 "quote",
 "unicode-xid",
 ]
 [[package]]
 name = "thiserror"
 version = "1.0.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0e9ae34b84616eedaaf1e9dd6026dbe00dcafa92aa0c8077cb69df1fcfe5e53e"
 dependencies = [
 "thiserror-impl",
 ]
 [[package]]
 name = "thiserror-impl"
 version = "1.0.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9ba20f23e85b10754cd195504aebf6a27e2e6cbe28c17778a0c930724628dd56"
 dependencies = [
 "proc-macro2",
 "quote",
 "syn",
 ]
 [[package]]
 name = "unicode-xid"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
--- a/5-binary_boarding/Cargo.toml
+++ b/5-binary_boarding/Cargo.toml
@@ -0,0 +1,11 @@
 [package]
 name = "binary_boarding"
 version = "0.1.0"
 authors = ["Guilhem MARION <gmarion@netc.fr>"]
 edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 [dependencies]
 anyhow = "1.0.36"
 thiserror = "1.0.22"
--- a/5-binary_boarding/data/input.txt
+++ b/5-binary_boarding/data/input.txt
@@ -0,0 +1,932 @@
 FFBBFFFLRL
 FFBBFBBRRL
 FBBBFFBLRL
 BBFBFFBLRR
 BFBBBFFLLL
 BFBBBBBLLR
 FBFBFBFLLR
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 FBBFBFBLLL
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 BFFFFFBRRR
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 FBBBBFFLRL
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 FBFBBFFRLR
 FFFBBFFLLR
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 FBBFFFFRRL
 BBFBBBFLRR
 BFBBFBFRLR
 FFBFFFBLLR
 FFBFFBFLRL
 BBFFBBBRRR
 BBFFFFFLRR
 FBFFBFBRRL
 FBFFBFFLLR
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 FBBBFFBLRR
 BFBBBBBRRR
 BBBFFFBRLL
 FBFFFFFRRR
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 BBBFFBFLRL
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 BBFFBBBRRL
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 FBBBFBFLRL
 BBFBFFFLRL
 FFBFFFFRLL
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 BFBFFFFLLL
--- a/5-binary_boarding/src/main.rs
+++ b/5-binary_boarding/src/main.rs
@@ -0,0 +1,82 @@
 use std::convert::TryFrom;
 use std::str::FromStr;
 use anyhow::Result;
 struct Plane {
    cols: usize,
    rows: usize,
 }
 const my_plane: Plane = Plane { cols: 8, rows: 128};
 #[derive(Debug, thiserror::Error, PartialEq)]
 enum ParseError {
    #[error("Expected {0}")]
    Expected(&'static str),
 }
 #[derive(Debug, PartialEq)]
 struct Seat {
    col: usize,
    row: usize,
 }
 impl FromStr for Seat {
    type Err = ParseError;
    fn from_str(s: &str) -> Result<Self, Self::Err> {
        if s.len() != 10 { return Err(ParseError::Expected("10-char string")) }
        // split_at not supposed to fail as we are only working with ASCII chars here
        let s_bit = s
            .replace("F", "0")
            .replace("B", "1")
            .replace("R","1")
            .replace("L", "0")
            .chars()
            .collect::<String>();
        let (rowcode, colcode) = s_bit.split_at(7);
        Ok(Self {
            row: usize::from_str_radix(&rowcode, 2).unwrap(),
            col: usize::from_str_radix(&colcode, 2).unwrap(),
        })
    }
 }
 impl Seat {
    fn seat_id(&self) -> usize {
        8 * self.row + self.col
    }
 }
 fn main() {
    let input = include_str!("../data/input.txt");
    let mut seat_ids: Vec<usize> = input.lines().map(|l| Seat::from_str(l).unwrap().seat_id()).collect();
    seat_ids.sort();
    println!("Max seat id: {:?}", seat_ids.iter().max());
    let banana = seat_ids
        .windows(2)
        .flat_map(<&[usize;2]>::try_from) // Because windows() makes no promise on slice size 
        .find(|[a, b]| *b == *a + 2);
    eprintln!("banana = {:#?}", banana);
 }
 #[cfg(test)]
 mod tests {
    use super::*;
    const AOC_INPUT: &str = "FBFBBFFRLR";
    #[test]
    fn test_build_seat() {
        assert_eq!(
            Seat::from_str(AOC_INPUT),
            Ok(Seat { row: 44, col: 5 })
        );
    }
    #[test]
    fn test_seat_id() {
        assert_eq!(
            Seat::from_str(AOC_INPUT).unwrap().seat_id(),
            357
        );
    }
 }
--- a/6-custom_customs/.gitignore
+++ b/6-custom_customs/.gitignore
@@ -0,0 +1 @@
 /target
--- a/6-custom_customs/Cargo.lock
+++ b/6-custom_customs/Cargo.lock
@@ -0,0 +1,23 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
 [[package]]
 name = "custom_customs"
 version = "0.1.0"
 dependencies = [
 "itertools",
 ]
 [[package]]
 name = "either"
 version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
 [[package]]
 name = "itertools"
 version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "284f18f85651fe11e8a991b2adb42cb078325c996ed026d994719efcfca1d54b"
 dependencies = [
 "either",
 ]
--- a/6-custom_customs/Cargo.toml
+++ b/6-custom_customs/Cargo.toml
@@ -0,0 +1,10 @@
 [package]
 name = "custom_customs"
 version = "0.1.0"
 authors = ["Guilhem MARION <gmarion@netc.fr>"]
 edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 [dependencies]
 itertools = "0.9.0"
--- a/6-custom_customs/data/input.txt
+++ b/6-custom_customs/data/input.txt
--- a/6-custom_customs/element
+++ b/6-custom_customs/element
@@ -0,0 +1 @@
 [1;31mE: [0mYou must give at least one search pattern[0m
--- a/6-custom_customs/riot
+++ b/6-custom_customs/riot
@@ -0,0 +1 @@
 [1;31mE: [0mYou must give at least one search pattern[0m
--- a/6-custom_customs/src/main.rs
+++ b/6-custom_customs/src/main.rs
@@ -0,0 +1,81 @@
 use std::{collections::HashSet, todo};
 use itertools::Itertools;
 fn count_scores(input: &str) -> Vec<usize> {
    input
        .split("\n\n")
        .map(|l| l.chars()
                       .unique()
                       .filter(|&c| c != '\n')
                       .count())
        .collect()
 }
 fn count_scores_v2(input: &str) -> Vec<usize> {
    input
    .split("\n\n")
    .map(|group| {
        group
            .lines()
            .map(|l| l.chars().collect::<HashSet<char>>())
            .fold1(|acc: HashSet<char>, hset| {
                acc.intersection(&hset).cloned().collect()
            })
            .unwrap()
            .len()
    })
    .collect()
 }
 fn main() {
    let input = include_str!("../data/input.txt");
    let scores = count_scores(input);
    println!("Sum of scores : {}", scores.iter().sum::<usize>());
    println!("Sum of scores v2 : {}", count_scores_v2(input).iter().sum::<usize>())
 }
 #[cfg(test)]
 mod tests {
    use super::*;
    #[test]
    fn test_count_scores() {
        let input = r#"abc
 a
 b
 c
 ab
 ac
 a
 a
 a
 a
 b"#;
        assert_eq!(count_scores(input).iter().sum::<usize>(), 11)
    }
    #[test]
    fn test_count_scores_v2() {
        let input = r#"abc
 a
 b
 c
 ab
 ac
 a
 a
 a
 a
 b"#;
        assert_eq!(count_scores_v2(input).iter().sum::<usize>(), 6);
    }
 }
--- a/7-handy_haversacs/.gitignore
+++ b/7-handy_haversacs/.gitignore
@@ -0,0 +1 @@
 /target
--- a/7-handy_haversacs/Cargo.lock
+++ b/7-handy_haversacs/Cargo.lock
@@ -0,0 +1,75 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
 [[package]]
 name = "handy_haversacs"
 version = "0.1.0"
 dependencies = [
 "multimap",
 "peg",
 ]
 [[package]]
 name = "multimap"
 version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1255076139a83bb467426e7f8d0134968a8118844faa755985e077cf31850333"
 dependencies = [
 "serde",
 ]
 [[package]]
 name = "peg"
 version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9f76678828272f177ac33b7e2ac2e3e73cc6c1cd1e3e387928aa69562fa51367"
 dependencies = [
 "peg-macros",
 "peg-runtime",
 ]
 [[package]]
 name = "peg-macros"
 version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "636d60acf97633e48d266d7415a9355d4389cea327a193f87df395d88cd2b14d"
 dependencies = [
 "peg-runtime",
 "proc-macro2",
 "quote",
 ]
 [[package]]
 name = "peg-runtime"
 version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9555b1514d2d99d78150d3c799d4c357a3e2c2a8062cd108e93a06d9057629c5"
 [[package]]
 name = "proc-macro2"
 version = "1.0.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e0704ee1a7e00d7bb417d0770ea303c1bccbabf0ef1667dae92b5967f5f8a71"
 dependencies = [
 "unicode-xid",
 ]
 [[package]]
 name = "quote"
 version = "1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "991431c3519a3f36861882da93630ce66b52918dcf1b8e2fd66b397fc96f28df"
 dependencies = [
 "proc-macro2",
 ]
 [[package]]
 name = "serde"
 version = "1.0.118"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "06c64263859d87aa2eb554587e2d23183398d617427327cf2b3d0ed8c69e4800"
 [[package]]
 name = "unicode-xid"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
--- a/7-handy_haversacs/Cargo.toml
+++ b/7-handy_haversacs/Cargo.toml
@@ -0,0 +1,11 @@
 [package]
 name = "handy_haversacs"
 version = "0.1.0"
 authors = ["Guilhem MARION <gmarion@netc.fr>"]
 edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 [dependencies]
 multimap = "0.8.2"
 peg = "0.6.3"
--- a/7-handy_haversacs/data/input
+++ b/7-handy_haversacs/data/input
@@ -0,0 +1,594 @@
 plaid fuchsia bags contain 5 light violet bags, 1 light yellow bag.
 striped aqua bags contain 2 striped teal bags.
 clear coral bags contain 2 plaid green bags, 5 mirrored gold bags.
 dull tan bags contain 4 faded blue bags, 3 faded olive bags, 5 dull salmon bags.
 plaid green bags contain 3 faded green bags.
 light tomato bags contain 1 drab chartreuse bag, 1 dotted tomato bag, 3 striped red bags, 2 vibrant violet bags.
 dim tomato bags contain 4 striped gold bags, 5 bright lavender bags, 1 pale beige bag, 4 pale tan bags.
 vibrant green bags contain 4 faded teal bags.
 shiny crimson bags contain 2 dull green bags.
 vibrant black bags contain 5 dark beige bags, 3 dark bronze bags.
 light tan bags contain 1 striped tomato bag.
 vibrant teal bags contain 1 shiny silver bag.
 pale chartreuse bags contain 2 dotted plum bags.
 plaid coral bags contain 2 pale green bags, 2 faded tomato bags, 2 dark salmon bags, 1 vibrant magenta bag.
 dull gray bags contain 1 dark tan bag, 3 dotted tan bags.
 muted gray bags contain 5 bright indigo bags, 5 dotted purple bags.
 vibrant red bags contain 4 bright tomato bags, 4 shiny orange bags.
 faded tan bags contain 1 dull crimson bag, 5 faded red bags.
 pale magenta bags contain 3 posh chartreuse bags, 4 vibrant purple bags.
 shiny gray bags contain 2 wavy purple bags.
 light crimson bags contain 5 clear teal bags.
 striped turquoise bags contain 3 pale tomato bags, 2 posh teal bags.
 striped purple bags contain 4 dark silver bags, 4 vibrant gray bags, 2 dim bronze bags, 2 clear aqua bags.
 muted magenta bags contain 4 striped tomato bags.
 light teal bags contain 2 faded brown bags, 2 posh purple bags, 1 faded olive bag.
 clear cyan bags contain 1 clear coral bag, 5 clear aqua bags.
 dull cyan bags contain 5 wavy crimson bags, 1 pale orange bag.
 shiny tan bags contain 2 bright red bags, 4 plaid cyan bags.
 light brown bags contain 3 dim yellow bags, 4 dull orange bags, 1 vibrant yellow bag.
 pale tan bags contain 2 striped orange bags, 5 dull plum bags.
 wavy salmon bags contain 2 dark blue bags, 5 dim plum bags.
 mirrored cyan bags contain 2 plaid turquoise bags, 5 dull plum bags, 3 muted indigo bags, 2 plaid white bags.
 dark aqua bags contain 3 bright red bags, 2 wavy purple bags, 2 plaid tan bags.
 wavy purple bags contain 5 wavy brown bags.
 clear magenta bags contain 4 muted green bags, 3 dull cyan bags, 4 striped teal bags, 2 faded blue bags.
 bright red bags contain 5 vibrant tomato bags, 2 dull orange bags.
 pale purple bags contain 3 plaid turquoise bags, 4 light tan bags, 1 faded black bag, 5 light yellow bags.
 bright orange bags contain 1 mirrored orange bag, 2 faded bronze bags, 1 wavy turquoise bag, 1 bright yellow bag.
 faded lavender bags contain 1 plaid brown bag.
 dark salmon bags contain 3 dotted crimson bags, 1 posh bronze bag.
 mirrored coral bags contain 3 dark red bags, 1 dull fuchsia bag, 2 drab magenta bags, 4 dull indigo bags.
 clear black bags contain 5 mirrored salmon bags, 3 drab gold bags, 3 muted fuchsia bags.
 faded fuchsia bags contain 1 shiny silver bag, 2 posh orange bags, 5 plaid bronze bags.
 dotted red bags contain 4 faded yellow bags, 5 dull brown bags, 3 clear red bags.
 light purple bags contain 2 plaid magenta bags, 3 vibrant coral bags, 2 wavy black bags.
 faded beige bags contain no other bags.
 dull fuchsia bags contain 3 dim lavender bags, 1 dull aqua bag, 2 pale fuchsia bags.
 wavy olive bags contain 5 dotted cyan bags, 1 dull lime bag.
 dim teal bags contain 1 dull green bag.
 dull orange bags contain 5 striped tomato bags, 5 drab blue bags, 5 faded blue bags, 2 pale brown bags.
 muted brown bags contain 3 dotted orange bags, 1 bright tan bag.
 vibrant coral bags contain 2 wavy turquoise bags.
 clear aqua bags contain 5 posh bronze bags, 5 dim orange bags, 5 posh chartreuse bags.
 dull plum bags contain 4 drab tan bags.
 wavy tomato bags contain 4 wavy cyan bags, 1 bright silver bag, 3 dotted gray bags, 1 dark tomato bag.
 shiny fuchsia bags contain 1 dotted silver bag, 5 dull lime bags, 3 drab teal bags.
 pale fuchsia bags contain 3 pale beige bags.
 plaid plum bags contain 4 dotted plum bags, 1 mirrored brown bag, 3 dim yellow bags, 2 vibrant bronze bags.
 posh green bags contain 5 plaid indigo bags, 1 wavy red bag, 5 dim indigo bags, 4 wavy indigo bags.
 muted aqua bags contain 3 bright tan bags, 3 dull yellow bags, 1 faded blue bag.
 mirrored white bags contain 5 dark coral bags, 1 plaid red bag, 4 dull violet bags, 5 clear gray bags.
 dotted aqua bags contain 4 drab aqua bags, 3 faded tomato bags.
 bright indigo bags contain 4 faded tan bags, 3 clear turquoise bags, 1 plaid indigo bag, 4 bright gray bags.
 posh silver bags contain 5 striped red bags, 3 faded blue bags, 3 dim plum bags, 3 vibrant beige bags.
 bright olive bags contain 3 dull silver bags, 5 drab tomato bags.
 muted beige bags contain 1 drab crimson bag.
 shiny beige bags contain 3 clear blue bags.
 wavy brown bags contain 2 striped coral bags, 2 light purple bags.
 wavy black bags contain 4 faded beige bags, 2 striped red bags, 2 pale brown bags, 3 dull yellow bags.
 faded salmon bags contain 1 light indigo bag, 5 plaid cyan bags, 2 pale salmon bags.
 dark gold bags contain 1 mirrored plum bag, 2 dark tomato bags, 5 dull green bags, 2 light lime bags.
 mirrored lavender bags contain 5 muted brown bags, 1 shiny blue bag, 5 dull blue bags, 3 wavy indigo bags.
 wavy beige bags contain 3 mirrored purple bags, 3 posh yellow bags, 4 plaid green bags.
 striped fuchsia bags contain 5 drab bronze bags, 4 posh tomato bags, 1 drab maroon bag, 1 dim beige bag.
 faded blue bags contain 1 striped tomato bag, 3 dark olive bags, 2 drab tan bags.
 drab gray bags contain 1 posh teal bag.
 dim cyan bags contain 4 dark fuchsia bags, 3 wavy maroon bags, 5 posh silver bags, 4 posh chartreuse bags.
 dotted purple bags contain 3 wavy white bags.
 shiny brown bags contain 5 light silver bags, 4 light turquoise bags, 4 posh bronze bags.
 vibrant tomato bags contain 3 dotted cyan bags, 3 posh teal bags, 1 clear magenta bag, 5 dull lime bags.
 dark bronze bags contain 2 vibrant maroon bags, 2 mirrored olive bags.
 wavy silver bags contain 4 striped magenta bags, 3 dim fuchsia bags.
 striped yellow bags contain 5 faded black bags, 5 light beige bags, 1 vibrant beige bag, 2 mirrored beige bags.
 faded chartreuse bags contain 4 clear gray bags, 5 dotted gray bags.
 faded tomato bags contain 5 faded gray bags, 4 faded fuchsia bags, 3 drab teal bags.
 dull gold bags contain 1 dark plum bag, 4 striped black bags.
 muted turquoise bags contain 1 mirrored bronze bag, 5 shiny aqua bags, 1 clear plum bag.
 dotted lime bags contain 1 dark black bag, 5 pale brown bags.
 vibrant violet bags contain 5 faded lime bags, 1 pale fuchsia bag, 5 dull plum bags.
 faded black bags contain 2 striped teal bags, 5 faded beige bags, 4 wavy black bags, 1 striped lavender bag.
 drab teal bags contain 1 clear gold bag, 4 muted crimson bags, 1 light teal bag.
 dull purple bags contain 1 posh crimson bag, 2 clear blue bags.
 dotted teal bags contain 2 dark tan bags.
 dark red bags contain 3 dotted cyan bags, 3 posh red bags, 2 bright red bags, 3 faded magenta bags.
 light black bags contain 5 dull yellow bags.
 light salmon bags contain 3 faded beige bags.
 dull brown bags contain 1 light indigo bag, 4 mirrored yellow bags, 5 faded silver bags.
 dark black bags contain 5 dull yellow bags, 3 dull lime bags, 5 posh aqua bags.
 faded crimson bags contain 3 light fuchsia bags, 5 muted chartreuse bags.
 drab yellow bags contain 5 drab indigo bags, 2 shiny brown bags, 4 muted lime bags.
 muted tomato bags contain 3 posh salmon bags, 2 plaid indigo bags, 5 striped aqua bags.
 pale teal bags contain 2 muted red bags, 5 mirrored brown bags, 4 mirrored tan bags.
 posh violet bags contain 4 posh tomato bags.
 dim plum bags contain 1 faded magenta bag, 5 drab silver bags, 1 pale brown bag.
 light fuchsia bags contain 2 dotted silver bags, 3 dotted lavender bags, 3 shiny gold bags, 5 clear magenta bags.
 vibrant orange bags contain 5 shiny blue bags, 5 dull maroon bags.
 shiny white bags contain 5 mirrored yellow bags, 2 pale fuchsia bags, 4 shiny turquoise bags.
 drab green bags contain 1 mirrored lavender bag, 3 posh tan bags.
 faded silver bags contain 5 vibrant coral bags, 3 striped lavender bags, 4 dotted cyan bags, 5 plaid turquoise bags.
 faded gold bags contain 4 faded magenta bags.
 dark coral bags contain 3 light maroon bags, 1 drab silver bag.
 striped olive bags contain 4 dotted maroon bags, 3 wavy brown bags, 1 wavy crimson bag, 5 shiny silver bags.
 wavy lavender bags contain 3 mirrored yellow bags, 5 shiny crimson bags, 4 dark indigo bags.
 bright fuchsia bags contain 2 vibrant green bags, 5 drab blue bags.
 dotted turquoise bags contain 3 striped red bags.
 drab black bags contain 1 faded tan bag.
 pale silver bags contain 1 faded yellow bag, 1 drab tan bag, 5 muted salmon bags, 3 shiny white bags.
 striped magenta bags contain 4 dark turquoise bags, 4 shiny blue bags, 3 shiny crimson bags.
 dotted beige bags contain 2 mirrored black bags, 2 faded brown bags, 1 bright red bag, 2 clear coral bags.
 clear maroon bags contain 5 bright bronze bags.
 shiny olive bags contain 2 dull blue bags.
 pale violet bags contain 1 light purple bag, 1 pale tomato bag, 4 plaid aqua bags, 4 light magenta bags.
 dotted white bags contain 3 bright purple bags, 4 dull orange bags, 2 plaid salmon bags.
 plaid blue bags contain 5 faded blue bags, 4 muted green bags, 4 bright bronze bags.
 mirrored lime bags contain 1 faded green bag, 4 striped black bags, 1 mirrored purple bag.
 wavy violet bags contain 1 muted bronze bag.
 light silver bags contain 2 dull cyan bags, 1 drab tan bag.
 dark tomato bags contain 1 vibrant tomato bag, 1 striped tomato bag.
 wavy teal bags contain 5 wavy red bags, 2 drab brown bags, 1 posh olive bag.
 dim green bags contain 2 striped teal bags, 1 drab blue bag.
 wavy crimson bags contain no other bags.
 mirrored aqua bags contain 3 posh tan bags, 5 muted teal bags, 3 light violet bags.
 light cyan bags contain 4 vibrant chartreuse bags, 1 faded lime bag, 2 drab purple bags, 2 shiny white bags.
 shiny gold bags contain 4 drab blue bags, 4 posh purple bags, 2 drab silver bags, 4 wavy turquoise bags.
 plaid chartreuse bags contain 5 mirrored olive bags, 2 vibrant orange bags, 2 shiny purple bags.
 dim yellow bags contain 1 faded green bag, 4 wavy fuchsia bags.
 pale turquoise bags contain 1 drab turquoise bag.
 clear red bags contain 1 pale bronze bag, 4 drab tan bags.
 shiny teal bags contain 3 bright aqua bags.
 dotted tomato bags contain 3 dotted orange bags, 5 light silver bags, 2 dull green bags, 5 wavy chartreuse bags.
 striped tan bags contain 1 light turquoise bag, 2 dotted salmon bags, 4 shiny orange bags, 2 clear red bags.
 dim bronze bags contain 1 wavy gold bag.
 posh crimson bags contain 4 posh aqua bags.
 plaid salmon bags contain 2 dull tan bags.
 mirrored salmon bags contain 2 muted aqua bags, 5 muted salmon bags.
 striped blue bags contain 3 wavy white bags, 4 drab blue bags, 1 drab chartreuse bag, 4 dull orange bags.
 pale red bags contain 1 striped red bag.
 muted black bags contain 4 faded gold bags.
 clear orange bags contain 2 faded red bags.
 mirrored maroon bags contain 2 plaid tan bags.
 dull aqua bags contain 4 pale gold bags.
 posh coral bags contain 3 striped gold bags.
 posh purple bags contain 4 pale orange bags, 5 dull salmon bags, 2 striped teal bags.
 muted tan bags contain 3 clear coral bags, 4 pale salmon bags.
 mirrored orange bags contain 5 pale bronze bags.
 striped teal bags contain no other bags.
 dark blue bags contain no other bags.
 clear bronze bags contain 4 vibrant gray bags.
 light magenta bags contain 4 dim green bags.
 drab coral bags contain 5 dotted chartreuse bags, 4 vibrant crimson bags, 2 muted green bags.
 drab brown bags contain 2 dull tomato bags, 5 vibrant bronze bags.
 bright coral bags contain 1 posh plum bag, 1 wavy gold bag, 2 drab lavender bags, 2 muted lavender bags.
 dim white bags contain 4 shiny aqua bags.
 plaid bronze bags contain 4 drab tan bags, 3 plaid salmon bags, 4 striped coral bags.
 faded teal bags contain 1 vibrant white bag, 5 wavy purple bags.
 drab turquoise bags contain 3 pale tomato bags, 1 bright indigo bag.
 muted white bags contain 3 striped brown bags, 1 light blue bag.
 clear crimson bags contain 1 dark magenta bag.
 shiny magenta bags contain 4 wavy tomato bags, 4 shiny bronze bags, 4 vibrant coral bags, 5 bright lime bags.
 bright magenta bags contain 3 wavy brown bags.
 bright tomato bags contain 4 vibrant fuchsia bags, 1 clear aqua bag.
 wavy coral bags contain 4 striped gold bags, 1 light purple bag, 4 vibrant purple bags.
 muted indigo bags contain 2 posh purple bags, 2 light gold bags, 3 striped lavender bags.
 clear violet bags contain 2 wavy cyan bags, 5 pale brown bags, 4 faded magenta bags, 2 bright purple bags.
 dull white bags contain 4 wavy olive bags, 3 mirrored olive bags, 3 faded magenta bags, 4 dull green bags.
 dull magenta bags contain 4 dim beige bags.
 dotted blue bags contain 4 posh beige bags, 1 pale purple bag, 4 shiny red bags.
 dotted lavender bags contain 3 posh purple bags.
 light white bags contain 4 striped lavender bags.
 dark turquoise bags contain 5 light teal bags.
 faded turquoise bags contain 5 striped violet bags, 4 dull crimson bags, 2 dim purple bags, 1 light silver bag.
 striped chartreuse bags contain 3 pale white bags, 3 dim fuchsia bags.
 pale gold bags contain 2 clear teal bags, 3 wavy turquoise bags, 5 light gold bags.
 posh blue bags contain 4 muted yellow bags, 1 dull crimson bag, 3 wavy violet bags, 5 mirrored fuchsia bags.
 dotted gray bags contain 3 wavy fuchsia bags.
 plaid magenta bags contain 3 plaid black bags.
 pale beige bags contain 1 pale white bag, 2 dim salmon bags, 5 mirrored gold bags.
 striped bronze bags contain 2 dull yellow bags, 2 dark blue bags.
 dark lime bags contain 2 pale magenta bags, 4 clear cyan bags.
 bright turquoise bags contain 2 light white bags, 3 plaid salmon bags, 2 clear aqua bags, 5 dull silver bags.
 posh salmon bags contain 1 drab turquoise bag.
 muted bronze bags contain 1 pale bronze bag, 3 clear maroon bags.
 faded coral bags contain 1 clear gray bag, 5 plaid gray bags, 3 bright silver bags, 4 posh yellow bags.
 mirrored gray bags contain 1 dark coral bag, 2 plaid blue bags, 4 mirrored coral bags, 1 mirrored olive bag.
 vibrant olive bags contain 5 pale chartreuse bags, 4 plaid green bags, 4 dark coral bags.
 dotted magenta bags contain 4 light chartreuse bags, 3 plaid indigo bags, 2 dull tan bags.
 light violet bags contain 2 muted green bags.
 dim fuchsia bags contain 5 dim tan bags, 5 faded black bags, 1 drab white bag.
 dotted black bags contain 3 bright gold bags, 2 faded gold bags.
 striped indigo bags contain 3 posh aqua bags.
 posh cyan bags contain 5 dull fuchsia bags.
 vibrant turquoise bags contain 2 muted chartreuse bags, 2 clear magenta bags, 5 drab chartreuse bags.
 mirrored magenta bags contain 1 dull lime bag.
 mirrored violet bags contain 2 posh magenta bags, 1 plaid white bag, 4 wavy turquoise bags, 5 dull salmon bags.
 pale tomato bags contain 4 wavy maroon bags, 3 clear aqua bags, 2 striped lavender bags.
 clear fuchsia bags contain 5 dark cyan bags, 1 plaid cyan bag.
 drab orange bags contain 3 mirrored purple bags, 1 striped orange bag.
 bright blue bags contain 1 bright cyan bag, 4 plaid green bags.
 muted chartreuse bags contain 4 faded beige bags, 3 faded green bags.
 plaid teal bags contain 2 mirrored orange bags, 5 plaid plum bags.
 light blue bags contain 4 faded silver bags, 3 light turquoise bags, 2 dim aqua bags, 5 posh silver bags.
 bright tan bags contain 4 striped coral bags, 1 dark fuchsia bag.
 shiny black bags contain 1 light green bag.
 plaid violet bags contain 1 faded magenta bag, 1 shiny bronze bag, 2 vibrant tomato bags.
 posh bronze bags contain 4 shiny gold bags, 1 bright yellow bag, 1 dull cyan bag.
 light red bags contain 3 dotted black bags, 5 pale coral bags.
 striped red bags contain no other bags.
 clear tan bags contain 2 faded brown bags, 1 bright brown bag, 2 bright gold bags.
 dull turquoise bags contain 5 mirrored yellow bags, 3 wavy red bags, 5 faded purple bags, 4 clear green bags.
 plaid yellow bags contain 4 dark red bags, 3 dull tomato bags, 5 faded violet bags.
 dotted gold bags contain 2 dotted lime bags, 2 faded gray bags, 3 clear coral bags.
 dull bronze bags contain 2 pale red bags, 3 dim indigo bags.
 shiny green bags contain 2 pale red bags, 1 mirrored silver bag, 4 bright lime bags, 5 pale indigo bags.
 bright black bags contain 2 striped plum bags, 1 clear black bag, 4 clear olive bags.
 bright gold bags contain 3 wavy cyan bags, 1 dotted magenta bag, 1 muted salmon bag, 4 light maroon bags.
 muted violet bags contain 5 wavy cyan bags, 4 dim tan bags, 1 posh gray bag, 5 vibrant brown bags.
 dim turquoise bags contain 1 pale tomato bag, 2 dotted silver bags, 5 mirrored coral bags.
 drab lime bags contain 5 shiny gold bags.
 wavy bronze bags contain 1 shiny red bag, 4 dotted cyan bags.
 vibrant purple bags contain 4 drab chartreuse bags, 4 dotted yellow bags.
 plaid purple bags contain 2 drab beige bags, 3 pale aqua bags, 3 muted magenta bags.
 faded brown bags contain 3 faded beige bags, 1 light chartreuse bag, 4 mirrored gold bags.
 pale lavender bags contain 1 mirrored tomato bag, 5 wavy maroon bags, 4 wavy lime bags.
 posh fuchsia bags contain 5 posh orange bags.
 drab fuchsia bags contain 1 dim plum bag, 1 dark coral bag, 3 dark red bags.
 striped crimson bags contain 5 pale orange bags, 5 faded beige bags, 5 faded brown bags.
 wavy lime bags contain 5 dull crimson bags.
 vibrant fuchsia bags contain 2 wavy white bags.
 vibrant plum bags contain 4 dim salmon bags, 2 plaid tan bags, 3 dull blue bags.
 muted cyan bags contain 3 striped beige bags.
 clear teal bags contain 2 wavy aqua bags, 3 dotted plum bags.
 dark maroon bags contain 1 light violet bag, 3 clear plum bags, 5 dotted fuchsia bags, 2 vibrant tomato bags.
 dull black bags contain 5 muted olive bags.
 light yellow bags contain 1 dull white bag, 5 dark aqua bags, 3 light purple bags, 4 dim green bags.
 pale bronze bags contain 1 wavy aqua bag.
 plaid red bags contain 5 pale plum bags, 2 muted brown bags, 2 dull bronze bags.
 dim gray bags contain 2 muted lavender bags.
 plaid gray bags contain 5 muted aqua bags.
 vibrant blue bags contain 4 light tomato bags, 1 plaid beige bag.
 clear blue bags contain 5 clear plum bags, 5 drab chartreuse bags.
 dotted green bags contain 5 plaid white bags, 5 vibrant turquoise bags, 1 drab silver bag.
 dull crimson bags contain 3 mirrored yellow bags, 3 posh red bags, 3 faded brown bags.
 striped maroon bags contain 1 shiny magenta bag, 2 light brown bags, 4 dull green bags.
 dark yellow bags contain 4 faded silver bags, 5 shiny lavender bags, 4 dim crimson bags, 2 plaid bronze bags.
 pale indigo bags contain 4 plaid salmon bags, 3 striped purple bags, 5 pale magenta bags, 1 dotted lime bag.
 faded maroon bags contain 5 light silver bags, 5 dim bronze bags, 4 faded tan bags, 5 striped crimson bags.
 pale green bags contain 4 vibrant white bags.
 muted maroon bags contain 2 light black bags, 2 mirrored fuchsia bags.
 pale yellow bags contain 2 dull bronze bags, 4 bright maroon bags, 5 wavy cyan bags, 4 dotted lavender bags.
 posh white bags contain 3 mirrored turquoise bags, 3 shiny aqua bags, 2 striped blue bags, 4 faded coral bags.
 wavy orange bags contain 4 wavy crimson bags, 2 bright brown bags, 3 bright magenta bags, 1 dotted gold bag.
 dark beige bags contain 3 muted white bags.
 dotted salmon bags contain 5 dim bronze bags, 5 striped orange bags.
 dotted fuchsia bags contain 1 striped red bag, 4 bright purple bags.
 pale cyan bags contain 1 dull blue bag.
 mirrored purple bags contain 5 light turquoise bags, 2 faded silver bags.
 drab violet bags contain 1 vibrant turquoise bag, 2 muted chartreuse bags, 5 pale bronze bags.
 wavy gray bags contain 1 dark purple bag, 4 muted green bags.
 wavy magenta bags contain 5 dark white bags, 4 vibrant black bags, 4 muted coral bags.
 pale plum bags contain 5 mirrored brown bags, 2 pale red bags.
 light plum bags contain 4 dark tomato bags, 4 wavy gold bags.
 pale aqua bags contain 1 striped red bag, 2 dim crimson bags, 3 mirrored orange bags.
 muted green bags contain 1 mirrored yellow bag.
 bright purple bags contain 5 light violet bags, 5 clear magenta bags, 1 faded lime bag.
 dark green bags contain 2 shiny aqua bags.
 dark orange bags contain 3 striped coral bags.
 dotted chartreuse bags contain 1 bright lime bag, 1 light olive bag, 4 muted red bags, 1 posh chartreuse bag.
 shiny chartreuse bags contain 1 bright salmon bag, 1 plaid indigo bag.
 clear gold bags contain 5 dull lime bags, 4 shiny brown bags, 1 dull plum bag, 4 dull salmon bags.
 shiny salmon bags contain 2 muted salmon bags, 2 dotted lavender bags.
 striped cyan bags contain 3 drab tan bags, 5 dotted cyan bags, 1 posh aqua bag, 1 plaid magenta bag.
 dark plum bags contain 1 clear orange bag, 2 striped black bags.
 vibrant magenta bags contain 1 plaid tan bag, 3 muted bronze bags, 3 bright chartreuse bags.
 clear beige bags contain 4 muted tan bags, 1 clear turquoise bag, 4 mirrored turquoise bags, 2 bright silver bags.
 drab lavender bags contain 1 dotted cyan bag, 4 clear plum bags.
 shiny coral bags contain 2 drab beige bags.
 light bronze bags contain 2 mirrored plum bags, 2 light black bags.
 vibrant yellow bags contain 4 vibrant coral bags, 5 mirrored olive bags, 1 light lime bag, 2 muted crimson bags.
 vibrant salmon bags contain 4 faded beige bags, 2 faded olive bags, 1 pale brown bag.
 dim tan bags contain 3 faded beige bags, 4 light tan bags.
 vibrant silver bags contain 1 dark tomato bag.
 striped salmon bags contain 5 faded brown bags.
 shiny purple bags contain 1 pale lavender bag, 3 plaid black bags, 1 drab indigo bag.
 light turquoise bags contain 4 dark silver bags.
 dark chartreuse bags contain 5 dark silver bags.
 mirrored indigo bags contain 5 mirrored gold bags, 1 dotted white bag.
 faded olive bags contain 1 pale brown bag, 3 faded beige bags, 2 light chartreuse bags.
 mirrored black bags contain 5 posh purple bags.
 clear green bags contain 2 dark magenta bags, 5 faded gold bags, 4 striped teal bags, 4 dark purple bags.
 bright beige bags contain 3 light olive bags, 3 wavy orange bags, 4 dotted lavender bags.
 plaid brown bags contain 4 dull lavender bags, 3 drab gold bags.
 vibrant chartreuse bags contain 1 bright bronze bag, 5 wavy crimson bags.
 posh aqua bags contain 5 muted green bags, 2 dim green bags, 1 dim crimson bag, 1 posh red bag.
 vibrant gold bags contain 5 wavy chartreuse bags, 3 drab gold bags, 2 striped blue bags, 3 posh yellow bags.
 posh tan bags contain 1 shiny chartreuse bag, 2 drab bronze bags.
 bright violet bags contain 1 pale lavender bag, 5 mirrored olive bags, 1 posh turquoise bag.
 faded lime bags contain 5 pale brown bags, 4 faded black bags, 1 faded beige bag.
 vibrant gray bags contain 3 vibrant chartreuse bags, 3 bright purple bags.
 dull silver bags contain 5 pale tomato bags, 5 shiny turquoise bags, 2 mirrored yellow bags.
 pale maroon bags contain 3 posh red bags, 1 plaid bronze bag, 5 striped red bags.
 dull lavender bags contain 4 vibrant violet bags, 1 bright yellow bag, 3 bright aqua bags.
 light aqua bags contain 5 vibrant turquoise bags.
 striped violet bags contain 4 drab silver bags, 3 posh magenta bags, 3 wavy turquoise bags.
 bright green bags contain 3 drab teal bags.
 light coral bags contain 5 dotted violet bags, 4 pale chartreuse bags.
 muted salmon bags contain 4 vibrant turquoise bags, 5 clear chartreuse bags, 1 dark fuchsia bag, 5 bright bronze bags.
 wavy cyan bags contain 4 dim orange bags, 1 dull orange bag, 4 plaid indigo bags, 4 dim salmon bags.
 shiny red bags contain 1 dim blue bag, 4 clear plum bags.
 vibrant beige bags contain 3 posh red bags.
 shiny maroon bags contain 3 striped tomato bags, 2 faded lime bags.
 shiny aqua bags contain 3 bright yellow bags.
 bright aqua bags contain 5 wavy lavender bags, 4 striped coral bags, 5 dotted cyan bags, 3 drab cyan bags.
 dim olive bags contain 2 posh blue bags, 5 vibrant violet bags, 3 drab brown bags, 1 dull purple bag.
 shiny silver bags contain 5 dim green bags, 4 dull cyan bags.
 dim brown bags contain 1 wavy brown bag, 3 drab black bags.
 dotted brown bags contain 3 drab crimson bags, 1 shiny red bag.
 striped coral bags contain 4 striped red bags, 1 dotted cyan bag.
 dotted plum bags contain 3 faded lime bags, 2 striped lavender bags, 2 wavy crimson bags, 2 faded brown bags.
 light gold bags contain 1 light silver bag, 3 posh teal bags, 3 dark orange bags, 4 bright bronze bags.
 dark tan bags contain 5 drab black bags, 2 plaid cyan bags, 3 faded yellow bags, 1 dim blue bag.
 posh olive bags contain 4 drab olive bags, 5 dull tan bags, 1 wavy chartreuse bag, 5 muted magenta bags.
 dull red bags contain 1 vibrant teal bag, 4 dim salmon bags, 1 bright violet bag, 1 dark lavender bag.
 plaid turquoise bags contain 3 faded green bags, 5 wavy crimson bags.
 plaid cyan bags contain 2 dull yellow bags, 2 dotted cyan bags, 1 light chartreuse bag, 2 faded green bags.
 dull indigo bags contain 2 faded silver bags.
 pale brown bags contain no other bags.
 striped plum bags contain 5 dull lime bags, 2 muted white bags, 3 striped teal bags.
 dotted coral bags contain 4 faded silver bags, 2 wavy aqua bags, 2 light chartreuse bags, 5 posh indigo bags.
 mirrored beige bags contain 1 plaid black bag, 2 plaid tan bags, 2 pale bronze bags.
 vibrant cyan bags contain 4 wavy beige bags, 1 shiny orange bag.
 wavy fuchsia bags contain 5 pale maroon bags, 3 drab violet bags, 2 shiny orange bags.
 drab silver bags contain 2 dark blue bags, 3 light chartreuse bags, 3 mirrored gold bags.
 wavy turquoise bags contain 5 posh red bags, 4 striped teal bags.
 bright cyan bags contain 4 bright silver bags, 1 muted gray bag, 5 faded aqua bags, 3 wavy aqua bags.
 wavy green bags contain 4 clear violet bags, 4 dark olive bags, 2 clear magenta bags, 1 mirrored black bag.
 mirrored gold bags contain 2 dark olive bags.
 wavy gold bags contain 4 plaid indigo bags.
 dotted yellow bags contain 3 dull orange bags, 2 faded green bags.
 light beige bags contain 4 dull cyan bags.
 bright crimson bags contain 1 faded tan bag, 1 faded chartreuse bag, 5 vibrant brown bags.
 dotted bronze bags contain 5 striped white bags.
 mirrored yellow bags contain 3 wavy crimson bags, 4 dark olive bags, 5 drab tan bags.
 plaid lavender bags contain 1 light tomato bag, 5 dull blue bags, 2 wavy indigo bags, 3 bright gray bags.
 drab purple bags contain 3 dotted plum bags, 5 drab olive bags, 1 drab tan bag, 3 dark black bags.
 shiny lime bags contain 2 plaid bronze bags, 1 shiny gold bag.
 drab chartreuse bags contain 2 bright bronze bags, 4 light teal bags, 1 mirrored yellow bag.
 bright plum bags contain 3 drab turquoise bags.
 light orange bags contain 1 shiny lavender bag, 2 dark fuchsia bags, 1 muted olive bag, 4 wavy olive bags.
 striped beige bags contain 4 dull crimson bags, 5 dotted fuchsia bags.
 wavy chartreuse bags contain 2 bright salmon bags, 5 faded green bags, 1 mirrored black bag.
 striped tomato bags contain no other bags.
 plaid aqua bags contain 1 light magenta bag, 3 pale white bags, 3 clear blue bags, 4 dull crimson bags.
 plaid tan bags contain 3 dull green bags, 1 light silver bag, 5 dim orange bags, 1 dark blue bag.
 dotted cyan bags contain 2 wavy black bags, 3 striped teal bags.
 dull green bags contain 1 plaid magenta bag, 3 dull plum bags, 4 dim green bags.
 faded purple bags contain 5 mirrored cyan bags, 1 dull beige bag, 4 vibrant purple bags.
 dotted maroon bags contain 1 vibrant beige bag, 3 plaid magenta bags.
 faded aqua bags contain 4 plaid gold bags, 1 plaid yellow bag, 2 bright lime bags.
 pale lime bags contain 1 light blue bag.
 dark indigo bags contain 1 light gold bag.
 shiny orange bags contain 2 plaid black bags, 2 faded brown bags, 4 plaid indigo bags.
 muted olive bags contain 1 wavy chartreuse bag.
 muted purple bags contain 4 dotted silver bags.
 plaid black bags contain 3 drab silver bags.
 striped lavender bags contain 5 wavy crimson bags.
 posh chartreuse bags contain 5 drab chartreuse bags.
 clear purple bags contain 3 faded green bags, 2 bright gold bags.
 dark crimson bags contain 4 plaid teal bags, 4 muted cyan bags.
 clear silver bags contain 3 pale beige bags, 2 mirrored tomato bags.
 dotted indigo bags contain 2 dark plum bags, 2 clear magenta bags, 3 light olive bags.
 dull chartreuse bags contain 2 light turquoise bags, 3 drab brown bags.
 bright brown bags contain 4 light purple bags, 1 vibrant coral bag.
 dim salmon bags contain 2 dull salmon bags.
 muted lime bags contain 4 muted violet bags, 5 shiny white bags.
 vibrant lime bags contain 2 mirrored bronze bags, 1 dotted crimson bag, 5 dim yellow bags, 2 mirrored gold bags.
 muted silver bags contain 1 striped orange bag, 3 drab purple bags.
 mirrored bronze bags contain 4 dull bronze bags.
 light olive bags contain 4 mirrored olive bags, 2 dim lime bags, 1 clear magenta bag.
 vibrant tan bags contain 2 shiny teal bags.
 posh red bags contain 2 bright bronze bags, 5 striped teal bags, 5 faded beige bags, 4 faded olive bags.
 faded red bags contain 4 striped lavender bags, 4 posh red bags.
 mirrored brown bags contain 3 dim salmon bags, 4 drab chartreuse bags, 1 wavy tomato bag.
 dark gray bags contain 1 muted tan bag, 4 faded blue bags, 2 dim chartreuse bags.
 dark white bags contain 4 vibrant lime bags, 4 pale olive bags.
 striped silver bags contain 4 dim cyan bags.
 clear salmon bags contain 5 pale magenta bags, 1 mirrored salmon bag.
 pale white bags contain 5 wavy crimson bags, 4 plaid indigo bags, 5 striped crimson bags, 3 drab violet bags.
 vibrant indigo bags contain 1 mirrored gold bag, 1 striped turquoise bag, 3 posh beige bags.
 drab aqua bags contain 5 faded crimson bags, 3 wavy gold bags, 3 striped tomato bags.
 clear brown bags contain 5 bright lavender bags.
 posh indigo bags contain 5 mirrored red bags, 5 clear coral bags.
 posh black bags contain 4 dim fuchsia bags, 5 muted olive bags, 3 mirrored red bags.
 shiny lavender bags contain 2 muted aqua bags, 3 striped black bags, 3 wavy salmon bags, 3 mirrored purple bags.
 vibrant bronze bags contain 1 bright tan bag, 5 faded beige bags, 5 pale red bags, 1 plaid cyan bag.
 clear chartreuse bags contain 2 shiny gold bags, 1 wavy turquoise bag, 2 muted crimson bags.
 drab tan bags contain no other bags.
 posh gold bags contain 5 dotted beige bags, 1 striped crimson bag, 5 drab purple bags, 1 bright gray bag.
 clear olive bags contain 3 dark tomato bags.
 dim aqua bags contain 4 wavy black bags, 5 clear chartreuse bags, 5 clear aqua bags.
 pale coral bags contain 2 shiny orange bags, 5 dark black bags, 3 vibrant coral bags.
 drab blue bags contain 5 dull salmon bags.
 vibrant white bags contain 2 mirrored yellow bags.
 faded indigo bags contain 5 clear aqua bags.
 posh turquoise bags contain 1 light purple bag, 4 mirrored salmon bags.
 dotted orange bags contain 5 dark blue bags, 1 shiny lavender bag, 2 dim plum bags, 3 clear violet bags.
 muted crimson bags contain 4 wavy crimson bags, 1 light magenta bag, 3 clear plum bags.
 dim coral bags contain 1 vibrant red bag, 2 vibrant magenta bags.
 mirrored plum bags contain 5 light olive bags.
 dull violet bags contain 2 dim aqua bags.
 faded violet bags contain 5 clear violet bags, 5 muted indigo bags, 3 clear red bags, 1 posh tan bag.
 vibrant crimson bags contain 1 shiny crimson bag.
 muted plum bags contain 3 drab beige bags, 4 posh maroon bags.
 dim orange bags contain 5 bright salmon bags.
 dim blue bags contain 1 mirrored black bag, 3 faded blue bags.
 mirrored tan bags contain 5 plaid plum bags.
 pale crimson bags contain 4 dim green bags, 2 pale fuchsia bags.
 bright white bags contain 2 drab gold bags, 2 shiny maroon bags, 5 mirrored lime bags.
 dim indigo bags contain 1 mirrored cyan bag, 1 wavy purple bag, 1 drab brown bag.
 dotted violet bags contain 4 bright teal bags, 2 vibrant plum bags.
 wavy indigo bags contain 2 drab silver bags, 1 muted chartreuse bag, 1 drab aqua bag, 3 mirrored teal bags.
 dark cyan bags contain 1 muted magenta bag, 3 vibrant violet bags, 4 mirrored aqua bags, 5 drab violet bags.
 posh maroon bags contain 5 muted chartreuse bags, 4 dark olive bags.
 drab tomato bags contain 2 plaid tan bags, 2 posh purple bags, 2 posh beige bags.
 wavy tan bags contain 5 light cyan bags, 5 muted brown bags, 5 mirrored coral bags, 5 light chartreuse bags.
 faded bronze bags contain 4 dotted magenta bags.
 pale blue bags contain 5 pale purple bags.
 dim magenta bags contain 5 posh aqua bags, 5 dim crimson bags, 4 wavy gold bags, 2 shiny orange bags.
 dark fuchsia bags contain 2 drab silver bags.
 wavy white bags contain 4 vibrant turquoise bags, 2 clear violet bags, 1 dull salmon bag.
 drab maroon bags contain 3 pale tomato bags, 2 dim chartreuse bags, 5 mirrored orange bags, 4 drab violet bags.
 muted fuchsia bags contain 4 muted bronze bags, 4 plaid brown bags, 1 faded white bag.
 plaid gold bags contain 3 vibrant bronze bags, 5 striped chartreuse bags.
 faded green bags contain 2 dull cyan bags, 5 posh purple bags.
 light indigo bags contain 5 mirrored tomato bags.
 striped white bags contain 5 clear plum bags.
 posh magenta bags contain 5 wavy crimson bags, 3 striped coral bags.
 drab olive bags contain 4 striped orange bags.
 plaid indigo bags contain 1 plaid turquoise bag.
 dark brown bags contain 2 faded tan bags, 5 wavy green bags.
 faded cyan bags contain 2 bright violet bags, 3 mirrored salmon bags.
 dim lavender bags contain 2 mirrored fuchsia bags, 3 pale magenta bags, 2 dotted tan bags, 4 posh bronze bags.
 dull maroon bags contain 3 dark silver bags, 5 dim plum bags.
 dull teal bags contain 3 pale green bags.
 shiny yellow bags contain 4 dotted fuchsia bags.
 mirrored crimson bags contain 5 dotted plum bags.
 drab beige bags contain 3 faded orange bags, 3 dark orange bags, 4 clear orange bags.
 dull olive bags contain 2 vibrant bronze bags, 4 shiny chartreuse bags.
 wavy red bags contain 2 wavy brown bags, 1 wavy olive bag, 3 striped cyan bags.
 light gray bags contain 1 pale salmon bag, 2 plaid bronze bags, 5 dull yellow bags.
 faded gray bags contain 4 muted green bags, 5 faded red bags, 3 muted magenta bags, 5 bright magenta bags.
 drab indigo bags contain 1 posh gold bag, 2 dull lime bags, 1 pale orange bag.
 bright yellow bags contain 4 posh red bags, 4 shiny gold bags.
 drab bronze bags contain 4 dark indigo bags.
 striped gold bags contain 3 faded yellow bags, 2 mirrored tomato bags, 1 bright lime bag.
 muted gold bags contain 4 dim violet bags.
 plaid olive bags contain 3 wavy fuchsia bags.
 bright gray bags contain 4 bright bronze bags, 1 plaid white bag, 1 pale bronze bag.
 clear turquoise bags contain 2 mirrored purple bags, 2 light gold bags, 4 dim cyan bags, 5 wavy olive bags.
 wavy plum bags contain 4 bright yellow bags.
 dull blue bags contain 4 dotted lavender bags.
 posh gray bags contain 4 faded blue bags, 2 dull brown bags, 1 clear cyan bag.
 pale black bags contain 5 dim cyan bags, 4 bright white bags.
 wavy blue bags contain 3 faded olive bags, 5 bright lavender bags, 1 wavy black bag, 2 posh magenta bags.
 posh beige bags contain 2 light cyan bags, 1 wavy violet bag, 1 muted olive bag.
 clear plum bags contain 3 dull cyan bags.
 drab cyan bags contain 5 plaid green bags.
 vibrant aqua bags contain 5 posh maroon bags.
 dim silver bags contain 5 shiny gold bags, 5 posh magenta bags, 1 light white bag.
 posh brown bags contain 4 plaid salmon bags, 2 vibrant blue bags, 2 posh olive bags.
 dark teal bags contain 1 faded brown bag.
 clear white bags contain 5 vibrant tan bags, 5 light purple bags, 3 posh tan bags, 4 faded beige bags.
 dim maroon bags contain 2 plaid chartreuse bags, 1 dim gray bag, 2 drab gold bags, 5 light white bags.
 dull salmon bags contain 5 striped teal bags, 3 dark blue bags, 3 drab tan bags, 5 wavy crimson bags.
 dull coral bags contain 1 faded red bag, 2 shiny teal bags, 3 bright gray bags, 1 pale brown bag.
 dark violet bags contain 1 clear cyan bag, 4 mirrored beige bags, 2 vibrant turquoise bags.
 vibrant maroon bags contain 1 muted magenta bag, 3 muted olive bags, 2 shiny turquoise bags.
 posh orange bags contain 5 dark black bags, 3 pale maroon bags, 5 dull plum bags.
 clear indigo bags contain 4 faded tan bags, 3 clear orange bags, 1 vibrant aqua bag.
 clear gray bags contain 4 dull salmon bags, 5 dark magenta bags.
 shiny turquoise bags contain 4 muted green bags, 4 vibrant beige bags, 5 mirrored cyan bags, 4 striped blue bags.
 pale salmon bags contain 1 dark silver bag, 4 dim green bags.
 striped gray bags contain 3 dark lavender bags.
 dull yellow bags contain 2 dark blue bags, 4 striped tomato bags, 2 striped red bags, 3 pale brown bags.
 posh yellow bags contain 1 dull green bag, 1 dull plum bag.
 plaid white bags contain 3 plaid turquoise bags, 4 dotted cyan bags, 3 shiny gold bags, 5 clear plum bags.
 faded orange bags contain 1 dull silver bag, 4 clear gray bags, 1 posh tomato bag, 2 wavy yellow bags.
 dim violet bags contain 4 drab silver bags, 1 dull yellow bag, 3 faded blue bags.
 light green bags contain 3 drab gold bags, 4 wavy purple bags.
 dark magenta bags contain 2 light gold bags, 5 drab violet bags.
 dark purple bags contain 5 plaid beige bags.
 mirrored blue bags contain 2 plaid tan bags.
 dim lime bags contain 1 dotted beige bag, 2 striped white bags, 5 dim blue bags, 5 wavy blue bags.
 bright chartreuse bags contain 3 clear orange bags.
 vibrant brown bags contain 3 mirrored violet bags, 5 dull green bags, 2 pale magenta bags.
 drab salmon bags contain 4 muted magenta bags.
 muted teal bags contain 5 dark black bags, 5 light gold bags.
 striped lime bags contain 1 dim orange bag.
 plaid crimson bags contain 4 dim teal bags, 3 dull salmon bags.
 posh plum bags contain 5 pale gray bags.
 light maroon bags contain 4 drab violet bags, 2 faded brown bags, 2 striped black bags, 3 striped coral bags.
 pale gray bags contain 1 dark aqua bag, 3 mirrored tomato bags.
 light chartreuse bags contain no other bags.
 dim crimson bags contain 5 faded blue bags, 1 dark blue bag, 2 striped teal bags.
 dim beige bags contain 5 wavy silver bags, 1 wavy orange bag, 1 dim lime bag, 2 mirrored lime bags.
 bright teal bags contain 1 dull violet bag, 1 faded beige bag, 3 faded orange bags.
 striped green bags contain 2 drab gold bags, 5 posh olive bags, 4 light indigo bags, 1 clear yellow bag.
 striped black bags contain 4 striped crimson bags, 1 pale red bag.
 plaid beige bags contain 3 pale tomato bags.
 drab plum bags contain 4 striped coral bags, 3 dotted crimson bags.
 plaid orange bags contain 4 bright aqua bags.
 wavy maroon bags contain 1 dim orange bag, 1 dim violet bag, 4 posh chartreuse bags, 5 plaid tan bags.
 dim purple bags contain 1 mirrored black bag, 1 plaid plum bag, 4 striped teal bags, 1 posh aqua bag.
 mirrored red bags contain 2 shiny salmon bags, 3 bright salmon bags, 1 vibrant salmon bag.
 striped brown bags contain 3 light lime bags, 1 drab black bag, 2 dull white bags, 5 drab lavender bags.
 dim red bags contain 2 mirrored black bags.
 clear lavender bags contain 5 pale fuchsia bags.
 bright bronze bags contain 2 striped teal bags, 4 clear plum bags, 3 dim crimson bags, 5 faded black bags.
 shiny violet bags contain 2 dark gold bags, 3 posh maroon bags.
 bright lime bags contain 2 clear magenta bags, 3 dark blue bags, 4 striped lavender bags, 1 dull crimson bag.
 mirrored silver bags contain 1 vibrant tomato bag, 4 dull salmon bags, 5 plaid green bags, 4 wavy brown bags.
 dotted olive bags contain 5 faded beige bags.
 posh tomato bags contain 2 faded purple bags.
 posh teal bags contain 2 drab tan bags, 3 striped red bags, 3 dull salmon bags, 1 striped lavender bag.
 shiny tomato bags contain 3 posh indigo bags.
 dotted crimson bags contain 1 pale gray bag.
 shiny indigo bags contain 1 pale beige bag.
 plaid lime bags contain 1 light maroon bag.
 mirrored turquoise bags contain 5 faded bronze bags.
 drab crimson bags contain 1 vibrant plum bag.
 dim black bags contain 3 muted tan bags, 3 drab silver bags, 4 dull white bags.
 faded yellow bags contain 5 faded black bags.
 faded white bags contain 2 wavy lavender bags, 1 shiny orange bag.
 plaid tomato bags contain 2 shiny brown bags, 3 clear red bags.
 drab white bags contain 5 dark yellow bags.
 mirrored tomato bags contain 2 light gold bags, 1 mirrored gold bag, 4 dim plum bags.
 plaid maroon bags contain 2 mirrored lime bags, 3 plaid salmon bags, 2 shiny chartreuse bags.
 drab gold bags contain 1 dim plum bag, 2 mirrored violet bags.
 muted orange bags contain 3 mirrored lime bags, 1 muted maroon bag, 5 drab violet bags, 2 posh green bags.
 mirrored fuchsia bags contain 3 dim plum bags, 2 muted olive bags, 2 wavy white bags, 1 dotted cyan bag.
 plaid silver bags contain 3 pale violet bags, 5 striped purple bags, 5 dull purple bags.
 dotted silver bags contain 2 vibrant coral bags.
 shiny cyan bags contain 4 mirrored teal bags, 4 faded magenta bags, 4 bright lime bags, 1 vibrant teal bag.
 clear yellow bags contain 1 muted brown bag, 5 wavy lime bags.
 muted red bags contain 5 muted coral bags, 2 light violet bags, 2 muted indigo bags, 4 dotted tan bags.
 dull beige bags contain 5 plaid black bags, 2 pale white bags, 2 light violet bags, 1 pale crimson bag.
 vibrant lavender bags contain 3 dark chartreuse bags, 4 bright lavender bags.
 posh lime bags contain 1 shiny cyan bag, 4 dotted blue bags, 3 mirrored chartreuse bags.
 shiny blue bags contain 1 dotted magenta bag.
 muted yellow bags contain 4 plaid salmon bags, 4 dull tomato bags.
 muted blue bags contain 5 wavy magenta bags, 3 vibrant gray bags.
 dotted tan bags contain 1 wavy green bag, 1 dim plum bag.
 drab red bags contain 2 dark olive bags, 5 mirrored tan bags, 3 dull coral bags, 4 plaid yellow bags.
 dull tomato bags contain 2 clear aqua bags, 2 dark fuchsia bags, 2 light teal bags.
 bright salmon bags contain 5 dark blue bags.
 pale olive bags contain 1 light violet bag, 3 shiny bronze bags, 2 dotted magenta bags, 4 posh silver bags.
 mirrored teal bags contain 4 posh chartreuse bags, 5 vibrant bronze bags.
 mirrored chartreuse bags contain 3 striped olive bags, 3 mirrored maroon bags, 5 faded black bags, 3 pale plum bags.
 pale orange bags contain 4 mirrored gold bags, 3 faded brown bags, 2 dark olive bags.
 dark olive bags contain no other bags.
 faded plum bags contain 5 bright green bags, 5 shiny beige bags, 2 vibrant indigo bags, 1 mirrored orange bag.
 drab magenta bags contain 5 dark fuchsia bags, 5 striped salmon bags.
 dark lavender bags contain 5 mirrored red bags, 4 vibrant aqua bags, 2 dotted tan bags.
 shiny bronze bags contain 2 clear aqua bags, 2 dull salmon bags, 1 plaid turquoise bag, 3 plaid bronze bags.
 faded magenta bags contain 2 mirrored gold bags, 5 dim orange bags.
 light lavender bags contain 3 striped magenta bags, 5 light yellow bags.
 clear tomato bags contain 3 dark bronze bags, 5 plaid aqua bags, 2 faded lime bags, 2 bright salmon bags.
 clear lime bags contain 1 mirrored lavender bag, 3 bright silver bags, 3 pale teal bags.
 light lime bags contain 4 dim crimson bags, 2 vibrant tomato bags, 4 posh red bags.
 wavy yellow bags contain 3 muted chartreuse bags, 3 drab teal bags, 4 striped tomato bags.
 dark silver bags contain 5 posh magenta bags, 1 plaid black bag, 3 faded brown bags.
 bright maroon bags contain 5 dotted turquoise bags, 3 wavy silver bags, 2 dotted lime bags.
 striped orange bags contain 5 striped coral bags, 3 posh teal bags.
 bright silver bags contain 3 mirrored violet bags, 5 striped gold bags, 1 striped white bag, 4 clear chartreuse bags.
 mirrored olive bags contain 4 light silver bags, 1 muted crimson bag.
 dim gold bags contain 3 clear magenta bags.
 shiny plum bags contain 5 muted olive bags, 5 dark turquoise bags, 2 dull green bags, 1 plaid magenta bag.
 mirrored green bags contain 5 striped magenta bags, 1 light lime bag, 2 dim cyan bags.
 wavy aqua bags contain 4 dull tan bags, 5 vibrant beige bags.
 posh lavender bags contain 4 muted black bags.
 dull lime bags contain 2 plaid black bags.
 dim chartreuse bags contain 4 bright red bags.
 muted lavender bags contain 5 faded red bags, 5 drab brown bags, 5 clear bronze bags.
 muted coral bags contain 4 clear red bags, 3 vibrant maroon bags.
 bright lavender bags contain 4 striped blue bags.
--- a/7-handy_haversacs/src/main.rs
+++ b/7-handy_haversacs/src/main.rs
@@ -0,0 +1,138 @@
 use std::fmt;
 use multimap::MultiMap;
 fn main() {
    let input = include_str!("../data/input");
    let rules = parse_rules(input);
    print!("{}", FmtRules(rules.clone()));
    let mut reverted_rules: Rules = Default::default();
    rules.iter_all().for_each(|(container, contained)| {
        for c in contained {
            reverted_rules.insert(c.1, (1, *container));
        }
    });
    // dbg!(reverted_rules.clone());
    let shiny_gold_spec = ("shiny", "gold"); 
    let mut shiny_gold_containers = find_containers(
        &reverted_rules, 
        &shiny_gold_spec
    );
    shiny_gold_containers.0.sort();
    shiny_gold_containers.0.dedup();
    // shiny_gold_containers also contain shiny_gold sadly...
    dbg!(&shiny_gold_containers);
    println!("Number of bags that can contain shiny gold ones : {}", shiny_gold_containers.0.len()-1);
    //////// PART 2 /////////
    let shiny_gold_contained = find_containers(&rules, &shiny_gold_spec);
    // Remove 1 because the shiny gold bag actually doesn't contain itself ;)
    println!("Number of bags contained by shiny gold bags : {}", shiny_gold_contained.1 - 1);
 }
 type BagSpec<'a> = (&'a str, &'a str);
 type Rules<'a> = MultiMap<BagSpec<'a>, (usize, BagSpec<'a>)>;
 // Needed as you cannot implement a trait for an abstract type if not in current mod...
 struct FmtRules<'a>(Rules<'a>);
 impl<'a> fmt::Display for FmtRules<'a> {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        for ((adjective,colour), rules) in self.0.iter_all() {
            write!(f, "{} {} bags contain ", adjective, colour)?;
            if rules.is_empty() {
                write!(f, "no other bags.")?;
            } else {
                for (idx, (nb, (adj, colour))) in rules.iter().enumerate() {
                    if idx > 0 { write!(f, ", ")? }
                    write!(f, "{} {} {} {}", nb, adj, colour, if *nb > 1 { "bags" } else { "bag" })?;
                }
                writeln!(f, ".")?;
            }
        }
        Ok(())
    }
 }
 fn parse_rules(input: &str) -> Rules<'_> {
    let mut rules: Rules = Default::default();
    peg::parser! {
        pub(crate) grammar parser() for str {
            pub(crate) rule root(r: &mut Rules<'input>)
                = (line(r) "." whitespace()*)* ![_]
            rule line(r: &mut Rules<'input>)
                = bag:bag_spec() " contain " rules:rules() {
                    if let Some(rules) = rules {
                        for rule in rules {
                            r.insert(bag, rule);
                        }
                    }
                }
            rule bag_spec() -> BagSpec<'input>
                = adjective:name() " " colour:name() " bag" "s"? {
                    (adjective, colour)
                }
            rule rules() -> Option<Vec<(usize, BagSpec<'input>)>>
                = rules:rules1()+ {Some(rules)}
                  / "no other bags" { None }
            rule rules1() -> (usize, BagSpec<'input>)
                = n:number() " " bag:bag_spec() ", "? {
                    (n, bag)
                }
            rule name() -> &'input str
                = $((!whitespace()[_])+)
            rule number() -> usize
                = n:$(['0'..='9']+) { n.parse().unwrap() }
            rule whitespace() = quiet!{[' ' | '\n' | '\t']+}
        }
    }
    parser::root(input, &mut rules).unwrap();
    rules
 }
 fn find_containers<'a>(rr: &'a Rules, start: &'a BagSpec) 
        -> (Vec<BagSpec<'a>>, usize) {
    let mut res = vec![*start];
    let mut count = 0;
    let containers = rr.get_vec(start);
    // for c in containers.iter().flat_map(|&v|v) {
    for c  in containers.into_iter().flatten().collect::<Vec<&(usize, (&str, &str))>>() {
        let mut b = find_containers(rr, &(c.1));
        res.append(&mut b.0);
        count += c.0 * b.1;
    }
    (res, count + 1)
 }
 #[cfg(test)]
 mod tests {
    use super::*;
    #[test]
    fn test_phase2() {
        let input = r"shiny gold bags contain 2 dark red bags.
 dark red bags contain 2 dark orange bags.
 dark orange bags contain 2 dark yellow bags.
 dark yellow bags contain 2 dark green bags.
 dark green bags contain 2 dark blue bags.
 dark blue bags contain 2 dark violet bags.
 dark violet bags contain no other bags.";
        let rules = parse_rules(input);
        let shiny_gold_spec = ("shiny", "gold"); 
        let shiny_gold_contained = find_containers(&rules, &shiny_gold_spec);
        assert_eq!(shiny_gold_contained.1 - 1, 126);
    }
 }
--- a/8-handheld_halting/.gitignore
+++ b/8-handheld_halting/.gitignore
@@ -0,0 +1 @@
 /target
--- a/8-handheld_halting/Cargo.lock
+++ b/8-handheld_halting/Cargo.lock
@@ -0,0 +1,70 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
 [[package]]
 name = "anyhow"
 version = "1.0.37"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ee67c11feeac938fae061b232e38e0b6d94f97a9df10e6271319325ac4c56a86"
 [[package]]
 name = "handheld_halting"
 version = "0.1.0"
 dependencies = [
 "anyhow",
 "thiserror",
 ]
 [[package]]
 name = "proc-macro2"
 version = "1.0.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e0704ee1a7e00d7bb417d0770ea303c1bccbabf0ef1667dae92b5967f5f8a71"
 dependencies = [
 "unicode-xid",
 ]
 [[package]]
 name = "quote"
 version = "1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "991431c3519a3f36861882da93630ce66b52918dcf1b8e2fd66b397fc96f28df"
 dependencies = [
 "proc-macro2",
 ]
 [[package]]
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 version = "1.0.57"
 source = "registry+https://github.com/rust-lang/crates.io-index"
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 dependencies = [
 "proc-macro2",
 "quote",
 "unicode-xid",
 ]
 [[package]]
 name = "thiserror"
 version = "1.0.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "76cc616c6abf8c8928e2fdcc0dbfab37175edd8fb49a4641066ad1364fdab146"
 dependencies = [
 "thiserror-impl",
 ]
 [[package]]
 name = "thiserror-impl"
 version = "1.0.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9be73a2caec27583d0046ef3796c3794f868a5bc813db689eed00c7631275cd1"
 dependencies = [
 "proc-macro2",
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 ]
 [[package]]
 name = "unicode-xid"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
--- a/8-handheld_halting/Cargo.toml
+++ b/8-handheld_halting/Cargo.toml
@@ -0,0 +1,11 @@
 [package]
 name = "handheld_halting"
 version = "0.1.0"
 authors = ["Guilhem MARION <gmarion@netc.fr>"]
 edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 [dependencies]
 anyhow = "1.0.37"
 thiserror = "1.0.23"
--- a/8-handheld_halting/data/input
+++ b/8-handheld_halting/data/input
@@ -0,0 +1,623 @@
 acc -17
 nop +318
 jmp +1
 acc -10
 jmp +394
 acc +43
 acc +47
 nop +570
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 acc -9
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 acc +4
 acc -4
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 jmp +228
 acc +25
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 acc -14
 nop +275
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 acc -11
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 acc -6
 acc -6
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 nop -38
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 acc +0
 acc -12
 acc -14
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 acc +14
 acc +2
 acc +2
 jmp +311
 acc +33
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 nop +234
 acc +24
 acc +37
 acc +18
 jmp +22
 jmp +303
 jmp +414
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 acc +22
 acc +27
 jmp +1
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 acc +34
 acc +15
 nop +200
 acc +6
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 nop -20
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 acc -15
 acc +3
 jmp +338
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 acc -4
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 jmp +286
 acc -1
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 acc -4
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 acc +35
 acc +50
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 acc -17
 jmp -90
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 jmp -15
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 acc -19
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 acc -5
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 acc +0
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 acc +6
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 acc +12
 acc -19
 acc -9
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 jmp +299
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 acc -2
 jmp +75
 acc -7
 acc +3
 acc +47
 jmp +171
 acc +16
 acc +44
 acc -3
 jmp +14
 acc +30
 acc +34
 jmp -178
 acc +35
 nop -238
 acc +39
 jmp +1
 jmp -133
 acc +34
 acc -6
 jmp -276
 acc +1
 jmp -207
 acc +10
 jmp -43
 jmp -302
 acc -1
 nop -29
 jmp +1
 acc +17
 jmp -281
 acc +17
 jmp -109
 jmp +1
 acc +13
 nop -9
 jmp +245
 acc +5
 nop -15
 acc +3
 acc +7
 jmp +65
 acc -11
 jmp -313
 acc +47
 jmp +29
 jmp -289
 acc +18
 acc -17
 nop +73
 acc -12
 jmp +80
 acc +32
 acc -4
 acc +3
 jmp -126
 acc +16
 jmp -275
 nop -188
 acc -3
 acc +14
 jmp -155
 acc +33
 acc -19
 nop -166
 acc +20
 jmp +30
 nop -169
 acc +49
 nop +168
 jmp -24
 nop -345
 acc +34
 jmp -40
 jmp -56
 jmp +29
 jmp +191
 acc +24
 jmp +219
 acc +34
 acc +27
 acc +11
 jmp -260
 jmp -339
 acc +15
 nop +16
 jmp +1
 jmp +138
 jmp +1
 jmp +1
 jmp +14
 acc -11
 acc +45
 jmp -19
 acc +0
 jmp +27
 acc +0
 nop +128
 jmp -65
 nop -23
 jmp -318
 jmp -325
 jmp +1
 jmp -229
 jmp -270
 jmp -137
 acc +34
 acc +7
 jmp +1
 jmp -346
 acc +18
 jmp +37
 acc +40
 acc -16
 nop -146
 acc +35
 jmp -12
 acc +1
 acc +27
 acc +44
 acc +8
 jmp -276
 acc +16
 acc +42
 nop -342
 acc +13
 jmp -165
 acc -11
 acc -17
 acc -10
 jmp -26
 acc +10
 acc +43
 jmp -276
 acc +5
 acc +34
 acc +17
 acc -9
 jmp +99
 acc +29
 jmp -370
 acc -11
 jmp -412
 acc +47
 acc +21
 acc -12
 jmp -136
 jmp -124
 acc +12
 acc +0
 acc +25
 acc +27
 jmp -290
 acc +5
 acc +49
 acc +32
 nop +29
 jmp -202
 nop -296
 acc -12
 acc +9
 acc +21
 jmp +23
 jmp -345
 acc +26
 nop -123
 jmp -373
 nop +118
 jmp +43
 acc -15
 jmp -386
 jmp +1
 nop -370
 acc +47
 nop -141
 jmp -426
 acc +42
 acc +12
 acc +4
 nop -103
 jmp -122
 acc +23
 acc -4
 acc +11
 jmp -314
 jmp -73
 nop -1
 jmp -411
 acc +13
 acc +9
 nop -372
 jmp -293
 acc +46
 acc +3
 acc -1
 jmp +86
 acc +36
 jmp +100
 acc +27
 acc +49
 nop -4
 acc +47
 jmp -445
 acc +31
 acc +47
 acc -11
 acc +14
 jmp -181
 nop -438
 acc +31
 jmp -428
 nop -115
 nop -244
 jmp -464
 jmp -29
 nop -240
 jmp -241
 acc -12
 jmp -329
 nop +78
 acc +6
 jmp +1
 acc +49
 jmp -322
 jmp -133
 acc +20
 nop -83
 acc +35
 acc +29
 jmp -41
 acc +15
 jmp -46
 jmp -29
 acc +45
 acc -14
 acc +21
 jmp -366
 nop +84
 acc -6
 acc +25
 acc -17
 jmp -326
 acc -5
 nop -159
 acc +5
 jmp -171
 acc +42
 jmp -28
 acc +42
 acc -11
 acc +45
 acc +19
 jmp -305
 acc +38
 acc -13
 acc -16
 jmp -134
 acc +45
 jmp -256
 acc -15
 acc -18
 acc +28
 jmp -114
 acc -11
 acc +47
 nop -420
 jmp -90
 nop -330
 jmp +13
 acc -15
 acc +9
 jmp -159
 acc -12
 acc +0
 acc +0
 jmp -538
 acc +31
 acc +24
 acc +32
 acc -16
 jmp -95
 jmp -466
 acc +19
 acc +2
 jmp -172
 acc -12
 jmp -207
 acc +39
 acc +18
 acc +5
 jmp -211
 nop -507
 jmp +1
 jmp -197
 nop -227
 acc +28
 jmp -494
 acc +22
 acc +2
 acc -14
 jmp -377
 acc +8
 acc +29
 jmp -573
 acc -17
 acc +14
 acc +29
 acc +11
 jmp -351
 acc +9
 nop -540
 acc +30
 nop -344
 jmp -564
 acc -4
 nop -465
 jmp -293
 acc -18
 acc +5
 acc +29
 jmp -302
 acc -17
 acc +14
 acc +2
 acc -11
 jmp -527
 jmp -563
 acc +14
 acc +10
 jmp -505
 acc +43
 jmp -188
 nop -448
 acc +44
 acc +3
 acc +16
 jmp +1
--- a/8-handheld_halting/src/main.rs
+++ b/8-handheld_halting/src/main.rs
@@ -0,0 +1,246 @@
 use std::str::FromStr;
 use anyhow::Result;
 #[derive(Debug, Clone, PartialEq)]
 enum ISet {
    Acc,
    Jmp,
    Nop,
 }
 #[derive(Debug, Clone)]
 struct Instruction {
    execd: bool,
    instr: ISet,
    arg: i64
 }
 #[derive(Debug, thiserror::Error)]
 enum ParseError {
    #[error("Expected {0}")]
    Expected(&'static str)
 }
 impl FromStr for Instruction {
    type Err = ParseError;
    fn from_str(s: &str) -> Result<Self, Self::Err> {
        let mut tokens = s.lines()
            .next()
            .ok_or(ParseError::Expected("one line"))?
            .split_whitespace();
        match tokens.next().ok_or(ParseError::Expected("instruction"))? {
            "acc" => {
                let arg = tokens
                    .next()
                    .ok_or(ParseError::Expected("acc argument"))?
                    .parse()
                    .unwrap();
                Ok(Instruction {
                    execd: false,
                    instr: ISet::Acc,
                    arg,
                })
            },
            "nop" => {
                let arg = tokens
                    .next()
                    .ok_or(ParseError::Expected("acc argument"))?
                    .parse()
                    .unwrap();
                Ok(Instruction {
                    execd: false,
                    instr: ISet::Nop,
                    arg, // For part 1 at least NOP args are useless
                })
            },
            "jmp" => {
                let arg = tokens
                    .next()
                    .ok_or(ParseError::Expected("acc argument"))?
                    .parse()
                    .unwrap();
                Ok(Instruction {
                    execd: false,
                    instr: ISet::Jmp,
                    arg,
                })
            },
            _ => Err(ParseError::Expected("acc, nop or jmp instruction"))
        }
    }
 }
 impl Instruction {
    fn exec(&mut self, pc: &mut usize, acc: &mut i64) {
        self.execd = true;
        match self.instr {
            ISet::Acc => {
                *acc += self.arg;
                *pc += 1;
            }
            ISet::Jmp => {
                // Expect this to panic hard if you underflow :3
                *pc = ((*pc as i64) + self.arg) as usize;
            }
            ISet::Nop => {
                *pc += 1;
            }
        }
    }
 }
 #[derive(Debug, Clone)]
 struct Program {
    prog: Vec<Instruction>,
    pc: usize,
    acc: i64,
 }
 impl Program {
    fn load(s: &str) -> Result<Program, ParseError> {
        let loaded_program: Vec<Instruction> = s
            .lines()
            .map(|l| Instruction::from_str(l))
            .collect::<Result<Vec<Instruction>, ParseError>>()?;
        Ok(
            Self {
                prog: loaded_program,
                pc: 0,
                acc: 0,
            }
        )
    }
    fn reset(&mut self) {
        self.pc = 0;
        self.acc = 0;
        for mut i in self.prog.iter_mut() {
            i.execd = false;
        }
    }
    /// Returns whether execution finished :
    /// Normally (true) - executing one instruction after the last one
    /// Or abnormalaly (false) - looping forever or executing random 
    /// instructions
    fn exec_until_loop(&mut self) -> bool {
        let pc_stop = self.prog.len();
        loop {
            // Terminate on infinite loop
            if self.prog[self.pc].execd {
                println!("Infinite loop !");
                return false;
            }
            self.prog[self.pc].exec(&mut self.pc, &mut self.acc);
            // Terminate on success
            if self.pc == pc_stop {
                println!("Good pc !");
                return true;
            }
            // Terminate on corrupted pc
            else if !(0..=pc_stop).contains(&(self.pc)) {
                println!("Corrupted pc !");
                return false;
            }
        }
    }
    fn find_corrupted_instruction(&mut self) -> Option<i64> {
        // Test jmps -> nops
        self.reset();
        for j in (0..self.prog.len())
            .filter(|&i| self.prog[i].instr == ISet::Jmp)
        {
            println!("Switch jmp-nop at pos {}", j);
            let mut pclone = self.clone();
            pclone.prog[j].instr = ISet::Nop;
            if pclone.exec_until_loop() {
                return Some(pclone.acc);
            }
        }
        // Test nops -> jmps
        for n in (0..self.prog.len())
            .filter(|&i| self.prog[i].instr == ISet::Nop)
        {
            println!("Switch nop-jmp at pos {}", n);
            let mut pclone = self.clone();
            pclone.prog[n].instr = ISet::Jmp;
            if pclone.exec_until_loop() {
                return Some(pclone.acc);
            }
        }
        None
    }
 }
 fn main() {
    let input = include_str!("../data/input");
    let mut prog = Program::load(input).unwrap();
    prog.exec_until_loop();
    println!("Acc before program gets into second loop : {}", prog.acc);
    println!("Acc after the program is set to terminate : {}", prog.find_corrupted_instruction().unwrap());
 }
 #[cfg(test)]
 mod tests {
    use super::*;
    #[test]
    fn test_nop() {
        let input = r"nop +0";
        let mut prog = Program::load(input).unwrap();
        prog.exec_until_loop();
        assert_eq!(prog.acc, 0)
    }
    #[test]
    fn test_acc() {
        let input = r"acc +5";
        let mut prog = Program::load(input).unwrap();
        prog.exec_until_loop();
        assert_eq!(prog.acc, 5)
    }
    #[test]
    fn test_jmp() {
        let input = r"jmp +2
 acc +1
 acc +1";
        let mut prog = Program::load(input).unwrap();
        prog.exec_until_loop();
        assert_eq!(prog.acc, 1)
    }
    #[test]
    fn test_short_loop() {
        let input = r"acc +1
 jmp +2
 acc +1
 acc +1
 jmp -4";
        let mut prog = Program::load(input).unwrap();
        prog.exec_until_loop();
        assert_eq!(prog.acc, 2)
    }
    #[test]
    fn test_exec() {
        let input = r"nop +0
 acc +1
 jmp +4
 acc +3
 jmp -3
 acc -99
 acc +1
 jmp -4
 acc +6";
        let mut prog = Program::load(input).unwrap();
        prog.exec_until_loop();
        assert_eq!(prog.acc, 5)
    }
 }
--- a/9-encoding_error/.gitignore
+++ b/9-encoding_error/.gitignore
@@ -0,0 +1 @@
 /target
--- a/9-encoding_error/Cargo.toml
+++ b/9-encoding_error/Cargo.toml
@@ -0,0 +1,9 @@
 [package]
 name = "encoding_error"
 version = "0.1.0"
 authors = ["Guilhem MARION <gmarion@netc.fr>"]
 edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 [dependencies]
--- a/9-encoding_error/data/input
+++ b/9-encoding_error/data/input
--- a/9-encoding_error/src/main.rs
+++ b/9-encoding_error/src/main.rs
@@ -0,0 +1,3 @@
 fn main() {
    println!("Hello, world!");
 }
		`@@ -0,0 +1,200 @@`
							`1749`
							`1897`
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							`1161`
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							`51`
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							`1999`
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							`1962`
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							`1948`
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							`1987`
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							`1395`
							`2007`
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							`1945`
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							`1937`
							`565`
							`1969`
							`1493`
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							`1578`
							`1770`
							`2005`
							`1703`
							`1712`
							`1943`
							`2003`
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							`1903`
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							`1950`
							`1990`
							`1185`
							`1809`
							`1337`
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							`1743`
							`1707`
							`1671`
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							`1972`
							`1863`
							`1690`
							`1512`
							`1963`
							`1825`
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							`1755`
							`1951`
							`1830`
							`1767`
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							`1373`
							`1709`
							`1514`
							`1807`
							`1791`
							`1724`
							`1859`
							`1590`
							`1976`
							`1572`
							`1947`
							`1913`
							`1995`
							`1728`
							`1624`
							`1731`
							`1706`
							`1782`
							`1994`
							`1851`
							`1843`
							`1773`
							`1982`
							`1685`
							`2001`
							`1346`
							`1200`
							`1746`
							`1520`
							`972`
							`1834`
							`1909`
							`2008`
							`1733`
							`1960`
							`1280`
							`1879`
							`1203`
							`1979`
							`1133`
							`1647`
							`1282`
							`1684`
							`860`
							`1444`
							`1780`
							`1989`
							`1795`
							`1819`
							`1797`
							`1842`
							`1796`
							`1457`
							`1839`
							`1853`
							`1711`
							`1883`
							`1146`
							`1734`
							`1389`
		`@@ -0,0 +1 @@`
							`[1;31mE: [0mYou must give at least one search pattern[0m`