2
2
0
2
4
0
0
2
0
0
0
2
0
0
2
0
2
0
2
2
0
4
0
0
2
2
0
2
0
0
0
0
0
2
0
0
0
2
0
0
2
2
2
2
0
0
2
0
2
0
0
0
0
2
2
2
0
2
2
2
0
2
2
2
0
2
2
2
0
2
2
0
0
19
2
2
0
2
2
0
2
2
2
0
0
2
0
2
2
2
2
2
2
0
2
2
2
2
2
2
2
2
0
1
2
0
2
1
2
0
0
2
0
0
2
2
0
2
2
0
0
2
0
0
2
2
2
2
2
0
0
0
0
2
0
2
2
0
0
0
2
2
2
0
2
0
2
1
2
2
2
2
2
0
0
2
2
0
0
2
2
0
0
0
2
2
0
0
0
2
2
0
2
2
2
0
0
2
0
0
2
0
2
2
2
0
0
10
0
0
0
2
2
2
15
2
0
2
2
2
0
2
2
1
2
0
2
0
0
2
2
2
2
2
1
0
2
2
2
2
0
1
2
1
0
2
2
2
0
0
1
2
2
0
2
0
2
0
2
2
0
0
0
2
2
2
2
11
0
2
0
0
0
4
0
0
0
2
2
0
0
2
1
0
0
0
2
2
2
2
0
2
2
2
0
0
0
2
0
1
2
2
0
28
2
2
0
4
