R 1 4 s

R 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 sR 1 4 s