R2 0 4 r2 0 2

R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2
R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2
R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2R2 0 4 r2 0 2