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