9
8
8
7
7
6
9
7
6
7
9
7
8
6
7
9
6
7
8
9
0
7
6
8
7
8
0
6
7
9
6
8
9
7
6
8
6
0
9
7
0
9
0
0
6
8
6
9
0
9
0
6
0
0
0
6
9
8
0
8
8
6
9
8
9
0
0
7