const BASE_BFS: [[u8;7]; 7] = [
    [9,9,0,0,0,9,9],
    [9,0,0,0,0,1,9],
    [1,1,0,0,1,0,0],
    [1,1,1,0,1,0,0],
    [1,0,0,1,1,0,0],
    [9,0,0,0,1,1,9],
    [9,9,0,0,1,9,9]
];

const BASE_TRIANGLE: [[u8;5]; 5] = [
    [9,9,9,9,0],
    [9,9,9,1,1],
    [9,9,1,1,1],
    [9,1,1,1,1],
    [1,1,1,1,1],
];

const BASE_ASYM: [[u8;8]; 8] = [
    [9,9,1,1,1,9,9,9],
    [9,9,1,1,1,9,9,9],
    [9,9,1,1,1,9,9,9],
    [1,1,1,1,1,1,1,1],
    [1,1,1,0,1,1,1,1],
    [1,1,1,1,1,1,1,1],
    [9,9,1,1,1,9,9,9],
    [9,9,1,1,1,9,9,9]
];