2
2
2
0
0
2
2
0
2
2
0
2
2
0
4
0
4
8
2
2
2
10
2
2
0
9
2
0
2
4
2
0
0
0
0
2
2
0
2
2
0
19
0
0
0
0
4
2
0
2
2
4
2
0
0
0
0
2
2
2
0
2
4
2
0
0
2
0
8
8
0
2
2
0
0
0
2
2
2
2
0
0
2
0
2
2
0
0
2
0
0
2
4
2
2
4
6
2
2
0
0
2
0
0
0
2
0
2
4
2
0
2
8
2
4
10
2
4
0
3
2
2
2
8
2
2
2
2
2
0
2
0
2
2
0
0
2
2
2
2
2
2
2
2
0
2
0
0
2
2
4
2
0
2
2
2
0
2
0
4
2
2
0
2
0
2
3
2
2
2
2
0
2
2
2
0
0
0
0
0
4
2
2
4
0
2
0
0
2
0
0
0
0
2
2
2
0
2
0
0
0
2
0
0
0
0
0
2
2
0
2
2
2
0
1
0
2
0
0
2
0
0
2
0
0
0
2
2
2
0
0
2
0
0
2
0
2
2
0
2
0
2
0
0
0
0
0
0
2
2
0
2
2
0
0
0
2
0
6
2
2
0
2
4
0
0
0
0
0
0
0
2
0
2
1
0
2
0
0
0
4
2
3
2
2
0
4
0
