0
2
4
4
4
10
0
8
4
2
0
2
2
4
2
4
6
4
4
2
2
0
4
2
2
0
2
2
6
13
2
4
0
0
0
0
2
2
0
2
58
0
0
0
0
0
0
0
0
0
0
0
0
2
0
2
0
0
81
2
0
2
2
0
0
0
0
2
2
2
0
0
2
0
2
2
3
19
0
4
0
4
0
2
0
2
0
4
2
4
2
0
2
2
0
2
0
2
0
2
6
2
2
4
0
2
2
2
0
6
4
17
6
2
2
4
2
0
2
4
2
2
0
11
4
2
2
2
0
4
2
0
2
0
0
0
0
2
86
0
0
0
0
4
2
0
0
4
2
4
2
0
0
0
2
4
6
0
2
2
0
2
0
4
2
0
4
0
2
4
2
2
0
4
2
0
2
4
2
4
0
2
2
2
2
27
2
2
0
0
4
2
0
2
4
0
2
4
0
2
2
2
4
2
0
0
9
2
0
8
0
4
0
4
0
2
0
0
2
2
6
0
2
2
2
0
0
4
0
0
0
0
6
4
4
4
0
0
0
0
0
2
0
0
2
88
0
0
6
2
2
2
4
4
0
0
6
2
2
0
0
0
4
30
2
0
0
0
2
2
2
4
0
4
0
2
4
0
0
0
4
2
2
4
0
2
2
0
