2
2
0
2
0
2
0
2
4
2
2
2
2
2
2
4
2
4
0
2
4
0
2
2
0
0
4
2
0
0
0
0
4
0
2
0
4
0
4
2
4
2
2
0
2
4
2
2
0
0
2
0
2
2
0
0
2
4
2
2
2
0
2
2
2
2
2
2
0
2
4
2
0
2
2
2
2
2
2
4
0
0
2
2
2
2
0
2
2
4
2
4
2
2
2
2
0
2
4
2
0
0
0
2
0
0
2
2
0
2
2
4
2
4
2
2
2
2
0
2
2
2
0
4
0
3
4
0
2
0
6
4
0
2
2
4
2
2
4
0
2
0
2
0
0
0
2
0
0
0
2
2
0
0
6
2
2
0
4
0
0
0
2
2
0
0
4
0
2
2
4
0
0
2
0
2
0
2
2
2
2
4
2
2
2
2
0
0
0
4
2
2
2
2
2
0
2
2
2
2
2
0
0
4
0
2
0
2
0
2
2
2
4
0
0
0
2
0
0
2
2
0
0
2
4
2
2
0
0
2
4
2
2
2
0
2
0
2
0
0
2
2
2
4
0
2
0
4
0
0
0
4
2
0
2
0
2
2
2
2
2
0
4
0
0
2
2
0
15
0
0
2
0
2
0
0
0
0
0
2
0
2
2
2
2
0
2
2
