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