const DATA: &'static str = "
    [D]    
[N] [C]    
[Z] [M] [P]
 1   2   3 

move 1 from 2 to 1
move 3 from 1 to 3
move 2 from 2 to 1
move 1 from 1 to 2
";


struct State {
    stacks: Vec<Vec<char>>,
}

impl std::str::FromStr for State {
    fn from_str(data: &str) -> State {
        let lines: Vec<&str> = data.lines().collect();
        let mut stacks = Vec::new(Vec::new());
        // skip the first row, because it's just the stack numbers
        for row in lines.rev().skip(1) {
            for (i, ident) in row.split(' ') {
                let ident = ident.trim_matches(|c| c == '[' || c == ']');
            }
        }
    }
}