20 18 7
2 3 0 1 0
3 3 0 0 0
4 3 1 0 1
5 4 3 0 3 0
6 4 5 3 5 0
7 4 5 0 3 2
8 3 1 4 3
9 3 7 0 8
10 3 5 6 0
11 5 0 8 9 6 7
12 5 11 8 10 1 10
13 4 9 0 12 10
14 5 1 11 13 13 12
15 3 11 14 0
16 3 1 15 14
17 4 15 1 12 13
18 5 16 0 13 14 15
19 5 1 14 16 18 14
5 1 1 1 1 1
8 0 1 0 1 1 1 1 1
5 0 0 1 0 0
8 0 0 1 1 0 0 1 1
7 0 1 1 1 0 0 0
8 0 0 0 1 1 1 0 0
7 1 1 1 1 0 0 0