3
8 7 8 5
8 6 9 7
8 6 9 5
4
8/1 6/1 8/1 5/1
8/1 7/1 8/1 6/1
8/1 6/1 9/1 5/1
8/1 6/1 9/1 7/1
5
8/1 5/1
8/1 6/1
8/1 7/1
9/1 5/1
9/1 7/1
1
8/1 6/1
1
4
8/1 6/1 8/1 5/1
8/1 7/1 8/1 6/1
8/1 6/1 9/1 5/1
8/1 6/1 9/1 7/1
