2
2
2
2
0
0
4
2
2
2
0
2
2
0
2
2
2
0
0
2
2
2
2
2
0
2
0
0
2
2
2
2
4
2
0
2
0
2
2
2
2
2
0
2
0
0
0
0
2
4
2
2
2
0
2
2
2
2
2
2
2
2
4
2
0
2
4
2
2
2
2
2
0
2
2
2
0
2
2
0
0
0
0
2
2
4
0
0
2
2
2
4
2
0
0
0
4
0
2
0
0
0
0
0
2
2
2
0
2
2
0
4
2
2
0
0
0
2
0
2
0
4
2
0
2
2
2
2
2
2
0
2
2
0
2
0
2
2
0
2
0
0
0
0
2
2
0
0
0
0
0
0
2
2
2
2
0
0
4
2
2
0
0
2
4
2
2
4
2
2
4
0
4
0
0
0
0
0
2
2
2
0
2
0
2
4
0
0
2
0
0
0
2
0
0
0
0
2
2
2
2
0
0
2
2
2
2
1
0
0
0
0
0
2
0
2
2
2
2
2
4
2
2
0
2
4
0
2
0
0
2
2
0
2
2
0
2
2
0
2
3
0
0
0
2
0
2
2
0
0
0
0
0
0
2
0
2
0
0
2
2
0
0
2
0
0
2
0
2
2
0
2
0
0
2
2
4
2
2
2
0
4
2
3
2
2
2
0
