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