1 0 1 0 1 0 1
1
1
1
1
1
1 0 1 0 1 0 2
1
1
1
1
1
1 0 1 0 1 0 3
1
1
1
1
1
1
1
1
1
1
1
1 0 1 0 1 0 4
1
1
1
1
1
1 0 1 0 1 0 5
1
1
1
1
1
1
1
1 0 1 0 1 0 6
1
1 0 1 0 1 0 7
1
1
1
1
1
1
1 0 1 0 1 0 8
1
1
1
1
1
1
1 0 1 0 1 0 9
1
1
1
2
1
1
1
1
3
1
1
1
1 0 1 0 1 0 10