35
0
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 0
1 4 5 9 2 3 0
10 0
11 0
12 4 5 6 7 8 9 0
13 0
14 0
15 0 
16 0
17 0
18 0
2 3 4 28 5 6 1 7 8 9 10 11 12 13 17 19 0
0
2 0
0
0
15 0
0
0
0
14 13 12 11 0
0
0
33 34 30 0
0
0
0