2
4
2
2
0
2
0
8
8
2
0
4
7
0
2
4
4
2
4
0
10
6
8
0
4
0
6
2
0
2
4
2
4
0
4
4
2
2
0
10
0
2
2
0
8
0
6
2
4
2
0
2
0
10
0
2
0
0
0
10
0
0
0
0
0
0
0
2
6
0
0
4
63
0
4
4
0
0
6
0
0
0
0
2
6
0
0
0
7
6
10
6
10
4
4
4
2
4
2
4
4
4
4
0
2
2
4
6
2
4
2
0
4
6
2
4
4
2
2
4
0
0
4
2
8
0
0
2
2
8
2
2
2
2
2
8
6
0
15
2
0
0
6
2
2
0
0
2
8
2
4
0
2
2
0
6
6
6
8
2
0
2
0
2
0
2
2
4
2
0
2
2
2
2
2
2
8
4
2
0
4
0
2
4
0
0
4
2
0
7
4
2
6
4
2
8
2
0
6
0
2
0
2
2
10
4
0
2
2
2
10
4
0
4
6
0
0
4
0
0
0
2
0
4
2
2
2
0
6
0
2
4
2
2
2
0
2
4
2
10
0
2
2
0
17
4
2
6
0
4
0
8
13
0
0
0
2
2
10
0
0
0
2
2
0
4
4
4
8
0
0
8
0
8
2
0
0
6
0
0
0
4
0
0
4
12
4
0
