go6r fo6r2r eo6r2 do6r co6r2r
rx5r2r qx5r2 px5r ox5r2r nx5r2
264r2 164r 064r2r z64r2 y64r
dg4r cg4r2r bg4r2 ag4r 9f4r2r
op3r2r np3r2 mp3r lp3r2r kp3r2