4
2
1
8
0
3
0
4
2
6
6
0
0
2
2
0
0
4
2
2
2
6
2
4
0
2
0
2
2
12
2
0
2
2
4
0
0
2
0
2
2
6
2
4
4
4
8
6
4
0
0
0
2
6
2
0
6
8
4
0
4
0
4
2
0
2
6
2
0
4
2
4
0
2
2
0
6
2
2
2
6
6
0
4
0
70
0
4
2
4
6
1
0
6
2
0
6
0
2
2
2
2
2
0
0
4
2
4
2
2
22
6
4
0
2
0
2
4
2
0
2
0
2
0
4
0
8
2
2
2
2
4
0
0
0
0
0
0
4
10
10
6
0
2
8
2
38
4
10
2
0
0
2
4
2
0
4
2
0
0
6
0
4
2
0
2
2
2
0
0
6
2
0
0
6
6
4
31
4
0
2
6
4
2
4
4
4
0
2
2
6
4
2
2
0
4
2
4
10
36
4
1
2
2
2
4
0
0
2
4
2
2
2
0
4
4
0
0
0
4
0
2
0
2
2
0
2
0
2
0
4
2
0
4
6
2
6
10
0
2
2
6
4
6
2
0
0
2
2
2
0
2
0
0
0
4
0
2
0
2
8
1
2
0
3
1
4
0
2
2
0
4
2
2
4
0
6
2
4
2
6
0
4
8
4
0
6
2
