2
2
4
2
0
4
0
0
4
4
0
2
0
0
6
0
4
8
2
2
2
4
2
2
0
2
4
0
0
2
0
0
0
2
0
2
2
0
2
2
0
2
0
0
0
0
2
6
0
2
0
2
2
2
2
0
12
0
2
0
2
0
4
2
0
0
4
0
0
2
2
2
2
2
0
4
0
2
2
2
2
2
0
2
8
0
2
10
2
2
0
0
4
12
2
0
0
2
0
0
4
2
0
4
2
0
2
0
0
8
0
0
2
2
0
0
2
4
4
2
0
0
2
4
2
2
4
0
0
0
0
2
0
0
0
2
2
2
2
0
11
0
2
2
4
2
0
0
4
2
0
4
2
2
12
2
2
4
0
0
2
0
2
0
0
10
6
2
0
2
0
2
2
2
12
0
0
2
2
2
4
4
0
2
4
0
2
4
0
2
2
2
2
0
2
12
2
0
2
2
0
0
0
2
0
2
0
0
2
2
0
4
2
0
2
0
4
0
2
2
2
2
6
2
0
2
4
2
2
2
8
0
2
2
4
2
2
0
0
0
4
0
2
2
2
0
0
4
4
0
0
2
4
2
2
2
2
2
4
4
4
2
6
2
0
0
2
2
0
4
2
0
2
2
2
0
0
2
4
0
4
0
2
2
0
2
2
0
