8
1
0
0
1
0
1
2
0
2
0
0
1
2
0
0
0
0
0
1
0
0
1
0
0
0
15
0
1
0
1
0
1
5
1
3
1
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
