x0yswr w0ysw v0ys u0yswr t0ysw
89xsw 79xs 69xswr 59xsw 49xs
jjxs ijxswr hjxsw gjxs fjxswr
uswswr tswsw ssws rswswr qswsw
51vsw 41vs 31vswr 21vsw 11vs