15
7
1
0
0
1
0
0
1
0
1
1
0
1
1
0
0
1
1
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
1
2
1
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
