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