2
2
0
4
2
3
2
4
0
4
4
2
0
4
0
0
0
4
2
4
0
0
0
2
2
0
2
0
4
2
2
2
0
4
2
2
0
7
3
2
6
0
6
6
0
4
3
4
2
2
0
0
4
4
2
4
4
4
4
0
4
0
4
2
4
4
0
2
2
2
7
2
2
2
2
4
0
4
2
2
2
2
0
0
0
0
2
0
2
2
0
0
2
2
2
4
2
0
0
2
2
0
2
0
6
2
2
2
2
0
0
4
4
2
0
2
2
2
0
2
0
0
2
2
2
2
2
2
4
0
0
4
0
2
0
0
2
0
4
2
2
4
2
3
0
2
0
2
2
2
2
0
0
2
6
0
0
0
2
2
2
0
2
2
6
4
0
2
2
2
4
0
4
2
0
0
2
0
4
2
2
5
2
4
2
2
2
2
0
2
0
0
2
0
2
4
0
2
4
0
0
0
0
2
2
0
2
2
0
2
2
0
2
0
2
0
2
0
2
2
2
2
0
6
0
4
4
2
0
2
4
2
2
2
4
4
0
0
9
0
2
0
2
0
7
2
0
2
0
2
4
0
0
2
0
6
2
2
2
0
0
2
4
0
2
0
4
6
0
0
4
2
2
4
2
0
2
4
0
0
2
2
2
0
2
2
2
0
