0
2
4
4
0
2
2
2
0
23
4
0
0
2
2
2
0
2
2
12
2
0
0
12
0
6
2
2
2
4
2
0
2
0
0
2
0
2
0
13
0
2
2
2
10
2
2
6
4
4
4
0
2
0
8
4
0
0
0
0
0
10
4
6
0
2
2
6
2
2
4
4
0
4
0
2
2
0
4
0
0
2
2
6
4
2
6
2
2
4
2
2
4
2
2
10
0
4
4
8
0
0
4
0
0
0
0
2
0
0
2
0
4
2
0
0
0
12
2
0
0
2
2
0
2
0
0
0
2
0
0
0
2
0
6
2
0
2
4
0
0
0
2
0
2
0
0
2
2
0
0
0
0
2
2
0
4
2
2
8
4
4
6
4
0
4
4
2
0
2
4
4
2
4
0
0
4
6
0
4
6
2
6
6
4
8
6
2
0
4
13
4
0
4
11
2
2
0
4
2
0
2
2
0
2
0
0
0
0
2
0
0
0
0
0
0
4
0
2
0
0
4
4
2
8
2
4
6
2
10
4
12
0
2
2
2
0
2
0
2
0
0
2
0
11
0
0
2
0
2
4
2
4
0
10
0
4
2
0
2
2
2
2
2
10
8
8
2
2
0
2
6
4
0
0
8
2
0
2
4
6
0
0
0
0
4
2
4
