ZIGZAG constant
Implementation
static const List<int> ZIGZAG = [
0,
1,
5,
6,
14,
15,
27,
28,
2,
4,
7,
13,
16,
26,
29,
42,
3,
8,
12,
17,
25,
30,
41,
43,
9,
11,
18,
24,
31,
40,
44,
53,
10,
19,
23,
32,
39,
45,
52,
54,
20,
22,
33,
38,
46,
51,
55,
60,
21,
34,
37,
47,
50,
56,
59,
61,
35,
36,
48,
49,
57,
58,
62,
63
];