2
2
6
4
2
2
0
0
7
2
6
4
2
0
0
4
8
0
2
4
0
4
8
0
8
4
6
4
6
0
2
0
4
4
0
2
0
0
0
0
0
0
0
4
0
4
0
4
0
2
2
4
2
4
0
2
0
2
2
0
2
4
0
0
0
4
0
46
0
4
0
2
2
2
0
2
0
2
2
0
4
2
0
4
0
0
0
0
0
6
4
0
6
2
0
2
2
2
2
0
4
0
0
0
2
3
0
2
0
6
4
6
0
2
2
2
6
0
0
2
0
5
2
2
2
0
2
0
0
0
2
0
0
0
0
0
0
0
0
0
6
4
0
0
0
0
0
2
2
0
6
0
4
2
2
0
0
2
2
0
0
0
0
2
0
0
0
0
0
0
0
0
0
6
2
6
2
6
0
2
4
4
2
2
2
4
0
2
0
4
4
2
2
2
0
0
0
2
0
6
2
0
0
2
0
13
0
4
2
0
0
2
0
4
2
2
2
4
2
0
0
0
4
0
0
2
0
0
4
0
0
0
2
4
0
2
2
0
4
6
4
0
2
0
58
2
6
2
2
0
0
0
2
4
2
2
0
2
0
0
43
0
2
8
0
0
0
6
0
0
0
0
2
2
4
0
4
4
0
4
0
4
0
2
0
0
0
4
