4
0
0
2
17
6
0
6
4
4
2
0
4
2
2
2
0
2
4
2
2
0
0
0
2
0
2
4
2
4
4
2
2
6
4
0
2
0
2
0
0
0
0
4
4
0
2
2
14
2
4
16
0
0
4
2
0
0
0
4
4
2
4
2
0
0
4
2
2
0
2
4
2
0
4
0
4
2
2
4
2
4
2
0
0
2
2
4
0
15
0
4
0
2
0
0
14
4
4
2
2
2
0
4
2
4
4
4
0
2
6
6
0
0
4
4
0
2
15
2
2
2
0
2
2
2
4
2
2
4
0
4
0
0
2
0
2
2
2
8
4
4
0
4
0
2
0
2
2
2
2
0
0
2
0
4
6
2
4
0
2
6
0
4
2
0
0
2
2
0
0
0
10
4
13
0
2
15
2
0
4
4
0
0
4
2
4
2
0
2
2
0
0
2
2
0
2
14
0
0
14
2
14
17
4
4
6
0
0
2
4
4
0
2
2
0
4
8
6
2
4
0
0
19
4
0
16
2
0
2
2
4
2
6
0
4
0
0
0
6
0
6
2
4
4
0
16
6
0
4
2
2
4
0
0
2
14
0
6
4
0
4
2
6
2
2
0
0
2
2
11
2
0
2
2
4
0
2
2
4
0
2
0
0
2
2
0
0
