4
11
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
4
2
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
