0
0
0
0
0
0 
0
0 
0 
1
2
2
0
0
1
0
0
1
1
0
0
0
1
0
0
1
2
0
0
0 
1
1
1
0
0
0
0
1
0 
0 
2
0 
1
0
0 
0
0
0
0
0
0
0 
0 
1
0
0
0
0
0
0
0
1
0
1
0
0
0
0
1
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
1
0
0
1
0
0
1
0
0
1
1
0
0
0
0
