8
0
2
4
0
1
4
0
1
6
1
7
15
1
2
4
0
0
4
0
0
7
1
3
4
0
0
4
1
1
4
0
0
4
0
0
4
0
0
9
0
0
9
0
0
4
1
2
2
1
1
2
2
1
2
2
2
3
1
1