0
2
2
0
2
0
4
0
2
2
4
4
0
2
0
0
2
4
0
2
0
0
33
2
4
6
4
4
2
2
0
0
0
6
2
2
4
0
2
2
2
2
2
2
6
4
0
0
0
0
4
2
0
4
4
4
4
2
2
4
4
2
0
2
2
6
2
0
2
2
0
0
2
2
6
0
0
2
2
0
29
4
2
2
0
29
0
2
0
2
2
0
0
0
29
2
4
2
2
2
2
0
0
0
0
4
2
2
4
4
2
0
0
0
4
2
0
4
2
2
0
0
6
2
0
8
0
0
2
2
30
2
2
4
2
2
6
0
0
2
2
0
2
4
2
4
2
8
0
2
0
2
2
4
2
0
6
2
6
2
0
0
0
4
0
2
2
2
2
2
0
2
0
0
2
0
0
0
2
0
2
2
2
0
4
0
4
2
2
4
2
2
0
0
0
4
6
0
2
2
2
0
4
0
4
0
0
4
6
0
0
0
0
0
2
0
4
2
2
2
2
4
2
0
2
2
2
2
2
2
2
4
0
0
4
2
0
2
0
2
2
0
4
0
0
0
2
31
2
2
2
4
0
2
0
0
13
4
4
2
4
4
0
0
0
2
0
29
2
2
2
2
6
2
0
2
2
2
0
0
2
0
2
2
0
2
0
0
