GravelPi:d=4,o=6,b=160:8d5,8p,16d,8p,8e5,8p,16e,8p,8f5,8p,16f,8p,8g5,8p,16g,8p,1a.5,8p,32p,8a5,8p,16a,8p,8g5,8p,16g,8p,8f5,8p,16f,8p,8e5,8p,16e,8p,1d.5