0
0
1
2
0
0
0
2
0
2
4
1
1
0
2
0
0
0
0
2
2
2
1
2
2
1
2
0
1
1
1
0
0
2
0
0
0
0
0
0
0
2
0
2
0
0
0
2
2
0
0
0
0
0
2
2
2
0
4
0
2
2
7
0
2
2
4
2
9
2
0
4
1
2
2
0
0
2
4
2
0
0
2
0
2
0
4
0
2
0
0
0
0
2
2
3
0
0
0
2
4
0
0
4
2
2
0
4
0
2
0
0
4
2
2
0
0
0
0
2
0
4
0
2
0
0
2
2
2
0
0
0
2
0
2
2
2
2
2
2
0
2
0
2
2
2
5
2
0
0
0
2
2
0
2
2
0
6
2
4
0
0
4
0
2
0
2
0
2
0
0
2
2
2
2
2
4
0
0
2
15
2
0
3
2
2
0
5
2
0
0
2
4
0
4
0
2
4
2
2
0
0
2
0
2
2
8
0
0
0
0
0
4
0
0
4
2
0
2
0
4
0
0
0
0
0
2
2
2
0
0
2
2
2
0
7
0
0
2
2
2
0
2
0
2
2
2
2
0
0
2
2
2
0
2
0
0
7
2
2
2
2
0
0
0
0
0
2
2
0
0
2
0
2
2
2
2
0
2
0
2
0
2
2
0
2
5
0
