0
s
0
0
8
s
9
8
1
8
1
1
9
1
0
8
9
9
1
9
9
1
9
s
1
0
1
8
1
1
0
8
1
s
0
8
s
0
0
1
s
9
s
s
s
8
0
s
s
9
s
1
8
8
8
s
s
8
8
9
8
0
1
8
8
9
0
0
9
0
1
8
9
s
9
8
1
0
1
1
0
0
s
0
1
8
9
1
s
9
0
9
s
9
9
s
9
8
s
8
0