s
0
6
s
0
5
s
0
6
50
0
1
s
0
4
s
0
2
s
0
4
s
0
4
s
0
2
s
0
4
s
0
2
s
0
2
s
0
2
s
0
2
s
0
2
s
0
2
s
0
2
s
0
2
s
0
2
s
0
2
s
0
1
s
0
1
s
0
1