0
2
0
2
2
0
0
0
2
2
2
0
0
2
2
0
2
4
2
0
0
0
2
0
0
4
2
0
4
0
2
0
4
2
4
4
0
0
0
0
0
0
4
2
4
2
0
0
0
0
0
2
0
0
0
2
2
2
2
0
2
2
0
2
0
2
2
2
2
0
2
2
0
0
2
0
0
2
2
0
0
2
0
0
0
0
2
0
2
2
0
2
4
0
2
2
2
2
2
0
0
0
2
10
0
2
0
2
2
4
0
0
0
0
2
0
2
2
2
0
0
2
2
2
2
2
2
0
10
0
2
0
2
0
0
0
0
0
0
0
0
2
0
2
0
0
2
2
2
0
0
0
2
0
0
18
2
2
0
2
0
2
2
0
0
4
0
0
2
0
2
4
2
0
0
0
2
0
0
0
2
2
0
0
2
0
0
2
2
4
0
0
2
0
2
0
2
2
2
2
0
2
4
0
4
2
2
0
4
2
4
2
0
0
2
4
2
2
0
2
2
0
0
0
2
10
2
0
2
0
2
2
2
0
0
2
0
0
0
0
0
0
2
0
2
2
0
2
2
0
4
0
0
4
0
0
0
0
0
2
0
2
0
0
0
0
0
0
2
2
0
0
2
2
0
2
0
0
2
4
4
4
2
2
0
2
0
0
