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