11 10 4 4 1 2 3 4
2 4 6 10 12 16 20
2 1
3 1
4 2
5 2
6 3
3 7
8
9 3 3
10 4 1
11 4 2 3 4
5 1 2 3 12
4 5 5 13
14 6 7 8
9 10 11 5 15
6 1 2 3 16
17 1 2 3 6
18 1 2 3
19 6 6 1 2 v 3
20 7 1 2
3 1 7 21
22 2 3 4
23 7
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