2
0
4
2
2
2
2
2
2
0
2
2
2
0
0
2
0
0
0
0
27
2
2
4
0
0
2
2
0
0
0
2
2
2
2
2
4
2
2
2
0
0
2
2
0
2
2
2
4
4
2
0
2
2
2
2
2
2
2
2
0
2
2
0
0
2
2
2
2
0
2
2
2
0
2
0
2
2
2
0
0
0
0
0
2
0
2
34
0
2
4
4
2
2
2
30
0
4
2
2
4
0
2
2
2
2
4
2
2
0
2
0
0
2
2
25
2
2
0
4
4
4
0
2
4
0
2
2
2
2
48
0
0
0
4
0
0
4
2
2
2
4
2
2
0
0
0
0
0
0
2
4
2
4
0
2
2
2
0
2
0
0
2
4
0
0
2
2
0
2
4
2
0
0
2
2
2
2
4
0
2
2
0
2
0
2
2
0
2
4
0
0
2
0
2
3
2
2
0
2
24
2
2
0
0
0
0
2
2
2
0
2
2
2
2
0
0
2
0
2
0
2
2
0
2
0
2
4
2
3
2
0
0
0
4
2
2
2
3
0
2
2
4
0
0
0
2
3
0
0
0
2
2
0
0
0
16
0
0
0
0
0
0
2
2
20
2
2
3
0
2
0
0
0
2
0
2
2
2
2
0
2
2
0
0
0
2
2
