0
0
2
0
0
0
0
2
0
2
2
0
0
2
0
0
0
0
2
2
0
0
0
0
2
2
0
0
0
0
4
0
0
2
2
2
0
2
0
2
2
0
2
2
2
2
2
0
0
2
0
0
2
0
0
0
2
2
0
2
2
7
0
0
2
2
2
2
2
2
2
2
0
0
2
0
0
0
2
2
0
0
2
2
2
2
2
2
2
0
2
0
1
2
0
0
2
2
0
0
2
0
0
2
2
2
0
0
2
11
0
0
0
2
2
2
0
0
0
2
0
0
0
2
0
2
0
0
2
0
2
0
2
0
2
0
2
2
0
2
2
2
2
0
2
0
2
0
0
0
2
2
0
0
2
2
0
0
2
0
2
2
0
0
2
2
2
2
2
2
2
0
0
0
0
0
2
0
0
0
0
2
0
0
2
0
2
0
2
0
2
0
2
2
2
2
2
2
2
0
2
2
0
0
2
0
13
2
2
0
0
2
0
2
0
2
2
2
0
2
2
0
0
0
0
2
2
2
0
0
2
2
0
0
2
0
2
2
2
2
2
0
1
2
2
0
2
2
13
2
2
2
0
2
0
2
0
0
2
2
2
0
0
2
0
2
2
0
0
2
0
2
0
2
0
4
2
2
2
2
0
0
2
2
0
0
2
2
