R t 4

R t 4R t 4R t 4R t 4
R t 4R t 4R t 4R t 4R t 4R t 4R t 4R t 4
R t 4R t 4R t 4R t 4R t 4R t 4R t 4R t 4R t 4R t 4R t 4R t 4
R t 4R t 4R t 4R t 4R t 4R t 4R t 4R t 4R t 4R t 4R t 4R t 4R t 4R t 4R t 4R t 4
R t 4R t 4R t 4R t 4R t 4R t 4R t 4R t 4