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