0
2
4
0
2
4
2
0
2
6
2
4
0
4
2
2
0
2
0
2
6
0
4
2
4
4
4
2
2
4
0
4
4
2
0
2
0
0
6
0
4
10
6
4
4
4
2
10
4
2
4
2
0
6
2
4
0
2
4
0
2
0
6
2
2
0
2
2
0
4
4
4
0
0
4
4
6
2
4
2
2
2
4
4
8
0
2
0
4
4
2
4
0
2
0
2
4
4
0
0
0
4
2
0
0
0
0
2
2
4
8
4
4
0
6
2
0
6
0
2
4
2
4
4
0
2
2
2
2
8
2
0
6
4
0
8
2
0
2
4
4
4
0
2
4
8
6
6
0
4
2
6
2
0
4
0
0
4
2
4
4
6
4
6
2
2
0
14
0
4
4
4
6
4
2
6
12
4
4
2
4
0
2
2
6
0
4
0
0
0
4
15
2
4
2
4
4
2
2
0
2
2
0
0
2
0
2
2
2
2
2
2
2
2
2
2
4
8
2
4
2
2
0
2
2
0
6
0
0
4
6
2
0
0
6
2
0
0
6
2
4
2
4
2
2
0
0
0
4
2
0
4
0
2
4
0
4
0
0
3
2
2
2
0
6
0
4
0
4
0
0
2
2
2
0
4
2
0
0
2
4
2
2
2
4
2
2
4
