4
0
0
4
0
0
5
0
0
4
0
0
6
0
0
4
0
0
6
0
0
4
0
0
6
0
0
4
0
0
4
0
0
4
1
1
4
0
0
20
0
3
5
0
0
6
0
0
6
0
0
6
0
0
6
0
0
6
0
0