0
4
0
4
2
4
2
0
6
4
0
0
0
0
0
6
4
2
4
0
0
13
4
2
4
6
19
2
2
4
14
2
2
2
2
0
0
0
0
2
2
2
2
2
4
10
4
0
0
2
0
4
0
0
0
0
2
4
0
0
0
2
2
4
2
2
2
0
0
4
0
2
2
0
0
0
4
0
2
0
0
0
2
0
2
4
2
2
4
0
4
2
2
0
2
4
2
2
0
4
2
4
2
2
2
0
6
0
2
2
0
4
2
2
0
2
0
12
0
4
2
2
0
4
0
2
0
2
4
4
4
2
19
0
0
4
2
2
2
2
2
0
0
2
0
2
2
2
2
2
0
0
0
2
4
2
2
4
0
0
2
0
4
0
0
0
2
0
4
0
0
2
2
0
2
4
2
2
0
2
2
2
0
2
2
0
0
0
0
2
0
2
0
2
0
2
0
2
0
2
2
2
2
4
0
6
0
4
0
0
0
4
0
2
0
2
4
0
4
0
2
0
0
14
2
4
2
0
2
2
0
4
0
2
0
2
0
0
4
2
0
0
4
0
0
0
0
2
2
2
0
4
2
0
2
0
0
6
2
4
2
2
2
0
0
0
2
0
0
2
2
0
0
2
2
0
4
2
2
2
0
4
2
2
0
2
0
0
