0
2
2
2
4
7
0
0
0
4
8
12
2
0
2
2
2
0
4
2
0
2
2
2
0
2
2
0
0
0
6
2
7
2
2
2
2
2
2
2
2
2
2
0
0
6
4
0
0
0
2
2
0
2
4
4
4
4
2
0
10
2
0
2
4
9
0
0
2
0
2
0
2
2
0
4
2
4
0
2
2
0
2
0
0
0
18
2
2
2
2
2
2
0
2
6
2
2
0
2
2
2
4
0
2
4
2
0
13
4
0
0
2
0
2
4
0
2
2
2
0
2
2
2
4
2
4
0
2
2
7
4
0
2
2
2
4
2
0
0
0
2
2
2
0
2
0
4
4
4
4
0
0
2
0
4
0
2
2
2
0
2
2
2
12
2
2
2
4
2
2
2
0
2
2
2
2
2
0
0
2
0
2
2
0
4
0
2
16
2
2
2
2
2
2
2
4
2
2
0
0
0
0
4
19
4
2
2
0
2
2
4
4
2
2
2
2
2
2
0
2
0
0
2
11
0
2
0
2
2
11
4
4
2
2
2
2
2
0
4
2
0
2
4
2
6
4
4
4
0
0
4
4
2
2
2
0
0
2
2
0
0
0
4
2
4
0
0
0
2
0
4
2
2
4
4
4
0
4
0
2
0
4
0
2
0
0
4
