R 4 1 x x 2

R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2
R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2
R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2
R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2
R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2R 4 1 x x 2