R 1 s

R 1 sR 1 sR 1 sR 1 sR 1 sR 1 s
R 1 sR 1 sR 1 sR 1 sR 1 sR 1 s
R 1 sR 1 sR 1 sR 1 sR 1 sR 1 sR 1 sR 1 sR 1 sR 1 sR 1 sR 1 sR 1 sR 1 sR 1 sR 1 sR 1 sR 1 sR 1 sR 1 sR 1 sR 1 sR 1 sR 1 sR 1 sR 1 sR 1 sR 1 sR 1 sR 1 sR 1 sR 1 sR 1 sR 1 sR 1 sR 1 s