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1 1 1 1
1 1 2 2 2 1 2 2 2 1 1
2 1 3 2 1 3 2 1 2 3 1 2 3 1 2
3 1 3 2 4 2 2 4 2 2 4 2 3 1 3
4 3 2 1 1 6 1 1 1 6 1 1 2 3 4
7 7
1 2 1 2 1
1 2 2 1
3 3 3
2 2
1 1 1 1
2 4 4 2
1 1 3 1 1
1 1 1 1 1
1 2 1 2 1
11
1 4 4 1
2 2 2 2
3 5 3
5 5