4
2
2
4
4
2
0
6
2
39
2
0
2
2
0
0
2
0
0
2
2
2
2
0
0
0
2
2
0
0
81
0
0
0
0
2
2
2
0
2
0
2
4
4
2
4
2
0
2
0
4
2
2
88
0
6
6
2
2
2
5
8
4
6
0
2
6
6
2
2
4
0
2
6
4
2
4
4
8
0
2
2
4
11
0
2
6
0
0
0
4
2
2
2
8
4
4
2
4
6
2
2
0
2
0
2
0
9
0
2
4
4
6
2
8
2
8
13
4
6
0
2
6
0
0
0
6
17
4
0
4
2
6
0
2
2
0
4
2
0
2
4
6
4
6
2
4
0
2
0
2
4
6
6
4
4
0
4
4
2
2
0
4
2
8
9
4
2
2
6
6
4
0
2
4
2
4
6
0
0
0
0
4
2
8
2
0
4
2
0
2
0
2
0
2
2
2
4
2
11
0
2
2
0
6
0
0
2
2
0
0
4
2
0
0
49
0
2
4
0
0
0
0
0
2
2
2
4
0
6
4
0
4
0
36
2
0
0
0
2
4
0
2
0
0
4
0
13
4
78
2
6
4
8
2
0
2
2
6
27
0
0
0
0
2
2
2
0
2
0
0
0
2
2
6
6
2
2
2
22
0
82
0
4
4
0
6
2
