0
4
2
2
0
4
4
2
2
2
2
0
2
0
2
0
2
3
2
0
0
4
0
2
2
0
2
4
2
0
0
4
0
0
2
0
2
2
0
0
0
2
2
0
2
2
0
11
4
2
4
0
2
0
0
0
2
2
0
0
2
2
0
3
2
0
0
0
0
2
0
2
2
0
2
2
4
0
0
0
0
0
0
0
0
0
2
2
0
0
2
0
2
0
2
2
4
0
2
2
4
0
0
2
0
2
2
0
2
0
2
2
0
0
4
0
0
16
4
2
2
2
2
2
2
15
2
2
0
4
0
4
0
0
2
0
2
2
2
2
0
2
0
4
2
2
2
2
2
0
0
0
0
0
2
0
2
0
0
2
2
2
4
2
2
2
2
2
2
2
0
2
0
0
0
2
2
2
2
2
2
2
2
0
2
4
2
15
2
2
2
2
0
0
0
2
0
0
0
0
0
0
3
2
2
0
0
0
2
2
2
0
4
0
2
0
0
0
0
0
4
0
0
2
4
2
2
0
2
0
2
0
0
4
2
0
2
0
4
0
0
0
2
2
2
0
2
0
0
0
2
2
21
0
2
0
2
0
2
0
0
2
0
2
4
4
3
2
0
2
2
2
0
0
0
2
0
2
0
2
4
2
2
2
0
2
2
0
