2
pov
4
4
2
1
1
4
3
1
0
2
0
1
2
1
2
3
1
3
6
2
1
1
2
2
5
1
1
1
0
2
2
1
1
3
1
1
5
2
1
2
2
3
4
3
3
2
1
2
2
