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


