0
1
4
4
4
0
0
2
0
4
0
2
2
0
2
2
4
0
2
2
0
0
0
0
0
2
2
2
2
0
0
4
2
3
0
2
0
2
0
0
0
2
0
7
4
4
5
7
3
2
2
2
0
2
5
2
2
0
0
0
5
2
2
0
0
3
2
0
9
2
0
2
0
2
2
6
0
0
2
0
2
1
2
0
2
0
2
0
7
2
5
2
0
0
0
0
2
2
0
0
4
4
9
2
4
0
7
2
5
4
2
0
2
4
2
1
0
0
0
2
4
0
0
0
2
0
0
2
2
0
0
0
2
4
6
6
0
2
8
2
0
0
0
0
1
4
2
2
2
0
0
0
0
2
2
2
2
2
2
0
0
0
0
2
0
4
0
2
2
0
2
0
0
0
0
8
0
2
0
0
2
0
4
1
0
0
2
4
2
6
0
0
0
6
4
4
0
2
2
0
2
2
2
0
0
5
2
0
0
0
0
0
0
2
2
12
0
0
2
0
4
0
0
2
2
0
2
0
2
1
0
0
2
2
0
0
0
4
1
2
0
0
0
2
0
4
2
0
2
2
4
2
4
0
0
0
2
0
0
6
2
0
0
2
2
2
2
2
2
2
0
4
0
2
0
2
0
2
0
2
0
0
2
0
2
2
3
5
