2
2
2
0
0
0
2
2
2
0
2
0
0
4
4
0
2
2
2
2
2
2
0
0
0
0
2
2
0
0
2
0
2
2
0
4
4
2
0
2
6
0
2
0
0
2
4
2
2
0
2
2
0
0
4
0
2
2
4
2
0
2
0
2
0
2
0
0
0
4
0
0
2
2
2
2
4
2
0
2
2
2
2
0
2
2
12
0
2
2
0
2
2
2
0
2
0
2
2
4
0
0
2
4
2
2
2
2
4
2
2
2
0
2
0
2
0
0
0
0
2
2
4
0
2
2
2
2
4
0
2
0
2
2
2
2
0
0
2
2
2
2
2
0
0
2
0
0
0
0
0
0
2
2
2
2
0
2
0
2
6
4
4
2
2
2
2
2
0
0
2
0
2
0
2
0
2
4
2
2
2
4
2
2
2
2
0
4
2
0
4
0
3
2
2
0
0
2
0
0
0
2
4
2
2
2
24
0
2
2
0
0
2
2
2
32
0
0
2
2
2
0
0
0
0
2
2
0
0
2
2
0
2
2
4
4
0
2
2
2
0
0
0
2
2
4
2
0
0
2
2
0
2
4
2
0
2
0
0
2
0
2
0
2
2
0
0
0
2
0
0
0
0
2
2
0
0
2
4
0
4
2
2
0
2
2
2
4
