2
2
0
0
2
0
0
0
2
2
0
2
2
0
0
0
2
2
2
0
0
0
2
2
0
0
2
0
0
0
2
2
2
2
2
4
4
4
2
0
2
2
12
0
0
0
0
0
2
2
2
2
0
0
2
2
0
0
2
4
4
0
2
0
6
0
2
2
2
0
4
2
2
0
0
0
0
2
4
2
3
2
2
2
4
2
0
0
0
0
0
2
2
0
2
0
2
0
0
0
0
0
0
2
2
2
0
2
2
2
11
0
0
2
4
0
0
4
2
0
2
0
2
0
2
0
2
2
2
2
0
4
0
0
0
2
0
2
0
2
0
4
2
0
0
0
2
0
0
0
0
2
0
2
0
0
0
0
0
2
0
0
0
0
2
2
0
2
2
2
11
2
0
0
2
0
0
2
0
0
0
0
0
0
2
4
0
4
0
0
0
0
0
12
2
0
0
2
0
2
2
2
2
4
2
2
2
1
2
2
2
0
0
2
1
2
4
0
2
2
2
4
0
0
2
2
0
2
0
2
0
6
0
2
2
2
2
0
0
0
2
1
0
2
2
0
2
2
0
2
0
0
0
4
2
2
0
0
0
2
2
2
2
2
0
0
0
3
2
4
0
2
0
0
0
0
2
0
0
0
0
0
2
2
2
2
2
0
