2
2
0
0
0
4
0
0
2
2
2
2
2
0
2
0
0
0
2
0
0
2
0
0
0
4
2
2
4
2
0
2
0
0
2
0
2
2
2
0
0
0
0
2
0
2
2
0
0
0
4
2
0
0
2
0
6
0
0
0
2
2
2
2
2
0
0
2
2
0
0
0
2
2
4
0
0
0
0
0
2
0
2
4
2
0
4
0
0
0
0
0
0
0
19
2
0
4
2
0
2
0
0
2
0
2
4
2
2
4
4
2
2
2
2
2
2
2
2
2
2
4
2
0
0
2
4
2
4
0
2
2
4
2
2
0
2
4
2
0
4
2
2
6
4
6
2
2
2
2
2
2
0
2
2
0
2
0
0
2
2
2
2
4
2
2
4
2
4
0
2
13
4
2
4
11
2
2
2
2
2
4
2
4
0
4
2
2
2
2
2
0
2
4
2
2
2
2
2
4
2
2
4
4
4
0
4
2
2
0
2
2
2
2
4
4
4
4
2
2
6
2
0
0
6
0
0
0
2
0
0
2
4
2
0
2
0
2
6
0
0
0
0
0
2
6
2
0
2
2
2
0
4
0
2
4
4
4
0
2
2
2
2
0
0
0
0
45
2
2
2
6
0
0
2
2
2
2
0
0
0
2
4
2
0
4
2
2
