2
2
2
0
1
0
2
0
0
0
0
2
0
2
2
0
2
4
0
2
2
0
4
0
2
0
2
0
2
0
2
0
2
1
2
2
0
2
0
4
2
6
0
2
0
0
4
2
0
2
6
4
0
4
2
2
2
0
0
2
2
0
2
4
0
4
2
0
2
5
8
4
2
0
0
2
2
0
2
2
7
4
4
0
0
0
2
2
2
2
2
0
5
2
2
4
4
2
4
6
4
4
4
0
4
2
2
2
2
0
2
0
6
4
2
2
0
2
2
4
4
2
2
2
4
4
2
0
2
2
4
2
2
6
2
2
2
2
0
2
2
6
2
8
0
2
6
0
0
2
6
0
2
2
4
4
2
2
6
4
2
0
2
0
0
2
0
4
2
13
2
4
2
2
2
2
0
3
2
4
0
2
3
0
0
4
0
2
2
0
4
4
5
0
2
2
0
0
0
2
0
2
0
2
0
0
2
2
2
2
2
2
0
3
4
2
0
2
2
4
2
9
2
0
4
0
0
0
0
2
4
4
0
4
0
4
0
2
0
2
0
0
0
0
2
0
0
0
6
0
2
0
0
2
0
5
2
0
2
4
0
2
2
4
2
2
0
2
2
2
0
0
2
0
2
0
0
4
0
0
2
2
0
6
2
4
2
0
