4
0
0
0
0
1
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
2
0
0
2
0
0
2
2
0
0
0
0
0
4
0
0
0
1
1
0
2
6
0
0
0