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