1-1 1-2 1-3 1-4
2-1 2-2 2-3 2-4
3-1 3-2 3-3 3-4
4-1 4-2 4-3 4-4
5-1 5-2 5-3 5-4
6-1 6-2 6-3 6-4
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14-1 14-2 14-3 14-4
15-1 15-2 15-3 15-4
16-1 16-2 16-3 16-4
17-1 17-2 17-3 17-4
18-1 18-2 18-3 18-4