0
2
0
0
2
0
2
0
2
2
0
2
2
0
2
2
2
0
2
0
2
0
2
2
2
2
4
0
0
0
2
2
0
2
2
0
0
2
2
2
0
2
4
0
2
2
2
0
0
2
2
2
2
0
2
0
2
0
0
2
0
2
2
0
0
2
0
2
0
2
2
0
2
2
0
0
4
2
2
0
2
4
0
2
4
12
0
0
0
2
2
4
2
2
2
0
8
2
0
2
0
2
0
0
0
0
2
0
2
2
2
2
0
0
0
0
2
2
2
2
0
2
2
0
2
2
2
2
0
2
2
1
0
2
0
0
2
4
2
0
2
0
0
0
2
0
2
2
0
2
2
0
2
2
0
2
2
2
1
2
2
0
2
2
2
13
0
2
2
2
2
2
2
2
2
0
0
0
0
0
0
2
2
2
2
2
0
0
0
0
0
0
2
2
2
2
0
0
0
0
0
2
2
2
2
2
2
0
0
0
0
2
0
2
2
4
0
2
2
0
0
0
2
2
2
2
2
2
2
0
0
2
0
2
0
0
2
0
2
0
2
0
0
2
2
2
2
0
2
2
2
2
2
2
2
0
2
0
0
2
2
0
0
0
2
2
0
2
0
0
2
2
2
2
2
0
2
2
12
0
1
2
0
0
0
0
2
0
