6, 12
5, 12
4, 12
3, 11
2, 11
1, 10
1, 9
1, 8
0, 7
0, 6
1, 5
1, 4
1, 3
2, 2
3, 1
4, 1
5, 0
6, 0
7, 1
8, 1
9, 0
10, 0
11, 1
11, 2
12, 3
12, 4
11, 5
10, 4
9, 3
8, 3
7, 3
6, 2
5, 2
4, 3
3, 4
3, 5
3, 6
2, 7
3, 7
4, 6
4, 7
5, 8
6, 8
7, 8
8, 7
7, 6
6, 6