2
2
2
6
0
6
0
2
2
2
2
2
0
0
0
0
2
0
0
2
0
2
0
0
2
0
4
4
2
4
2
0
4
4
4
4
2
4
4
2
19
2
2
4
2
0
0
0
0
0
0
4
2
2
0
2
0
2
0
4
0
2
4
4
2
2
2
2
2
2
2
0
0
2
2
6
2
0
0
2
0
0
0
2
2
0
2
0
0
2
4
2
2
0
0
0
0
2
2
2
0
0
2
4
0
2
4
2
2
2
6
4
4
4
0
2
4
2
0
2
4
4
0
2
0
0
0
2
4
0
2
2
4
0
2
0
2
0
6
2
4
2
0
2
2
0
2
0
4
2
2
2
2
0
0
0
0
2
0
0
0
2
0
4
0
2
0
0
0
0
4
0
2
0
0
2
2
4
2
0
0
0
2
2
2
2
0
0
2
2
2
2
2
0
2
0
0
2
4
0
0
0
0
4
0
0
2
4
0
2
0
0
2
2
4
2
2
12
6
0
2
0
0
0
2
13
2
4
0
2
2
4
2
4
0
0
0
0
0
0
0
2
0
2
2
2
0
2
2
0
4
0
0
0
4
0
2
0
2
2
0
0
0
2
0
2
15
0
4
0
2
0
4
0
2
2
0
0
2
4
0
2
4
2
0
2
2
0
