BackStep:d=4,o=6,b=225:2a5,2a,g5,2b.5,2f5,2e5,a5,2c.,32a5,a5,32p,32a5,a,32p,32a7,8g,b5,32a7,8p,32a5,8p,32a5,f,32p,32a5,e,32p,32a7,8a5,2c.,32a5,32e5,a5,32a5,32e5,a,32a7,32e5,8g.,32a5,32e5,2b,8p.,2a5,32e5,f,32a5,32e5,e,32a7