2
2
4
2
2
0
0
2
2
4
0
2
0
0
0
2
2
2
2
0
2
2
2
0
2
0
4
4
2
2
0
2
2
0
4
2
2
0
4
0
4
4
2
2
0
2
2
2
2
2
0
2
2
2
2
2
4
0
2
0
2
2
0
2
0
2
2
3
0
2
4
0
4
0
4
4
2
4
2
2
2
2
0
0
2
2
4
0
0
4
4
0
2
0
0
2
2
4
2
2
0
2
2
25
2
0
2
4
2
2
2
2
4
2
2
2
4
0
4
2
4
2
2
2
2
4
2
2
2
0
2
2
4
2
2
0
0
39
4
0
4
0
4
0
2
2
0
0
2
0
2
2
0
2
0
2
0
0
2
2
2
2
2
2
0
4
2
2
2
2
2
2
2
0
2
2
2
2
0
2
2
2
2
0
0
2
2
2
4
0
0
2
2
4
2
0
0
2
2
3
0
0
0
0
2
2
0
4
2
4
0
2
0
0
2
2
2
0
2
2
2
0
2
0
2
0
0
0
2
0
2
2
2
2
4
0
0
2
0
2
2
0
2
2
4
2
2
2
2
2
4
0
2
0
2
2
2
2
2
4
2
4
0
2
0
2
4
0
0
0
2
0
0
0
2
2
2
2
0
2
2
2
2
3
0
0
2
26
