2
2
2
4
2
2
0
2
4
0
2
0
4
4
0
2
8
0
4
0
0
0
2
0
4
2
0
2
2
0
6
0
2
4
2
2
2
11
2
0
2
2
4
0
2
2
11
4
2
2
13
6
2
0
0
0
0
0
2
0
2
2
0
0
2
0
13
2
2
10
0
4
2
2
2
0
2
0
0
2
0
0
2
4
2
2
0
2
4
6
4
7
0
0
8
0
0
2
2
0
4
0
0
2
4
2
0
4
2
2
2
0
4
2
2
2
2
2
0
11
0
2
2
0
2
0
4
4
0
0
0
4
2
0
2
0
0
2
2
2
0
0
4
0
8
0
11
4
8
2
0
2
2
4
2
2
2
0
2
2
0
0
2
2
0
2
0
4
0
2
0
2
0
4
4
4
2
2
0
2
2
2
0
2
6
2
2
0
2
0
2
0
2
2
0
0
0
0
11
4
4
0
2
4
2
0
2
0
2
2
2
0
2
0
2
2
0
0
4
4
0
2
2
0
2
2
0
8
2
4
2
2
0
2
2
2
2
2
0
2
0
0
9
2
0
2
4
2
2
2
0
0
4
4
4
0
4
2
4
13
10
8
0
2
2
0
4
0
6
0
4
4
2
2
4
4
4
0
0
4
4
2
4
9
2
2
0
4
