0
0
2
4
2
4
4
4
0
4
6
0
2
6
4
4
2
0
2
0
2
4
0
0
6
0
6
0
0
4
0
3
2
4
2
2
6
4
0
0
6
0
2
0
4
2
2
6
0
0
2
0
0
2
4
8
0
0
0
2
8
0
4
0
0
2
5
0
0
0
0
4
6
0
2
4
0
0
80
0
7
2
0
0
0
0
0
2
2
8
4
2
4
0
2
5
6
0
4
0
0
8
0
2
0
6
2
6
2
0
2
4
0
2
2
2
0
4
6
0
0
0
0
2
6
2
6
0
2
3
12
0
0
8
0
2
0
6
8
2
0
0
2
6
0
6
0
2
0
0
4
0
2
4
4
4
2
0
0
2
0
2
2
0
4
6
4
2
2
2
4
4
0
0
0
0
2
2
0
2
2
6
0
4
0
0
6
0
0
4
8
0
2
2
4
0
0
4
6
0
0
4
0
4
2
2
0
0
0
2
4
2
0
0
0
6
4
4
2
0
0
0
66
2
0
0
6
4
0
0
0
2
6
10
2
0
2
2
2
0
2
0
2
0
6
0
2
0
8
2
0
6
6
2
2
4
6
6
2
0
4
4
2
10
4
0
4
6
2
2
2
0
4
2
6
0
4
2
4
0
4
6
4
0
4
4
4
0
