2
0
4
2
6
2
2
2
2
2
2
0
5
2
2
4
4
2
2
2
7
2
0
0
0
0
0
0
0
2
0
2
4
2
0
0
1
0
2
0
0
2
2
0
2
2
4
0
2
0
0
4
2
2
2
2
2
2
2
2
2
2
0
2
2
0
3
0
0
0
0
0
0
2
2
2
2
2
2
0
2
2
0
2
2
2
2
4
2
2
0
4
2
0
2
2
0
6
2
2
2
0
0
0
6
2
2
0
0
4
2
2
2
0
2
3
0
2
0
4
0
2
2
0
4
0
0
2
3
3
2
2
0
2
0
2
0
2
0
2
2
2
0
2
4
0
4
0
0
2
2
2
2
0
2
2
2
6
2
2
2
2
0
2
5
2
2
2
2
0
0
5
0
30
47
31
20
24
48
36
2
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
2
0
0
0
2
0
0
4
0
2
0
0
0
0
0
2
0
0
2
0
0
0
0
2
2
3
0
2
2
0
0
0
0
0
0
5
0
0
0
0
2
2
0
2
0
0
0
4
0
0
2
0
0
0
0
2
0
2
0
0
0
0
0
0
0
0
0
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
4
0
0
