0
2
4
2
6
2
4
6
0
2
2
0
2
0
0
4
8
2
0
2
2
2
2
4
2
4
0
6
0
2
6
2
2
4
2
0
2
0
2
6
6
4
4
2
6
9
4
6
6
0
2
2
4
4
0
0
2
11
2
4
0
0
4
4
0
0
0
2
0
2
6
0
2
6
4
6
4
0
0
2
4
0
0
2
73
4
0
2
0
2
0
2
2
2
2
0
0
4
8
2
2
2
0
4
6
4
0
4
0
73
2
2
4
2
2
2
2
0
2
0
4
0
2
0
2
4
4
4
0
66
2
0
0
2
0
0
2
2
6
2
0
0
2
2
4
0
2
2
61
2
0
0
0
0
2
0
6
4
2
2
0
2
4
6
4
4
8
4
2
14
2
2
0
2
2
0
2
4
4
6
4
6
4
2
2
2
6
4
2
2
2
2
2
2
2
2
2
0
6
4
2
0
4
4
4
10
2
6
0
2
58
4
4
0
0
2
0
8
5
2
6
4
4
0
4
0
4
4
2
6
6
2
2
0
4
4
6
2
4
2
2
4
6
4
9
0
0
2
4
2
2
0
0
2
2
6
2
4
4
0
2
2
2
4
2
0
4
2
4
4
2
4
2
2
8
8
65
2
2
8
2
6
0
0
0
4
6
6
