0 1 2: 0 0 0 0;
0: 1 9 0 0;
0: 10 41 0 2;
0: 10 41 2 1;
0: 10 41 1 0;
0: 42 63 0 0;
1: 1 63 0 0;
2: 1 63 0 0;