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