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