let a = [[]];
let b = [[], []];
let c = [[], [], []];
let d = [[], [0], []];
let e = [[], [0], [0]];
let f = [[], [0, 1], [0]];
let g = [[], [0, 1], [0, 1]];
let h = [[0]];
let i = [[0], []];
let j = [[0], [], []];
let k = [[0], [0], []];
let l = [[0], [0], [0]];
let m = [[0], [0, 1], [0]];
let n = [[0], [0, 1], [0, 1]];
let o = [[0, 1]];
let p = [[0, 1], []];
let q = [[0, 1], [], []];
let r = [[0, 1], [0], []];
let s = [[0, 1], [0], [0]];
let t = [[0, 1], [0, 1], [0]];
let u = [[0, 1], [0, 1], [0, 1]];
let v = [[], [1, 2, 3]];
let w = [[1], [1]];
let x = [[1, 2], [1, 2, 3]];
let y = [[1, 0], [1, 0]];
let z = [{}];
let a1 = [{}, {}];
let b1 = [{}, {}, {}];
let c1 = [{}, { a }];
let d1 = [{}, { a, b }];
let e1 = [{}, { a, b, c }];
let f1 = [{ a }];
let g1 = [{ a }, { a }];
let h1 = [{ a }, { a }, { a }];
let i1 = [{ a }, { a, b }];
let j1 = [{ a }, { a, b, c}];
let k1 = [{ a, b }];
let l1 = [{ a, b }, { a }];
let m1 = [{ a, b }, { a }, { a }];
let n1 = [{ a, b }, { a, b }];
let o1 = [{ a, b }, { a, b, c }];