4
0
0
0
3
0
1
0
1
0
0
0
0
0
1
1
2
0
0
0
0
0
1
0
0
0
0
0
1
0
1
0
1
0
3
0
8
0
0
0
2
0
5
0
0
0
2
0
3
0
0
0
2
1
