R n 3 r

R n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 r
R n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 r
R n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 rR n 3 r