6
7
8
9
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
*
*
*
*
S
S
S
*
S
S
*
*
S
*
*
*
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
*
R
S
R
6
7
8
9
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R