0
0
9
0
7
9
0
7
1
9
0
9
7
9
0
8
1
7
0
8
7
7
1
8
1
9
0
7
8
1
0
1
8
7
8
7
8
7
8
9
0
9
9
1
1
9
1
1
8
8