Why:d=4,o=6,b=140:8d5,8p,8d5,8d5,8d5,8p,8d5,8p,8d5,8d5,8d5,8p,8a5,8p,8a_5,8p,8p,8d5,8d5,8d5,8p,8d5,8p,8d5,8d5,8d5,8p,8a_5,8p,8a5,8p,8p,8d5,8d5,8d5,8p,8d5,8p,8d5,8d5,8d5,8p,8a5,8p,8a_5,8p,8p,8d5,8d5,8d5,8p,8d5,8p,8a_5,8p,8a5,8p,8g5,8p,8f5,1p,2p,8p,8a_5,1p,8a_5,8p,8a5,8p,8g5,8p,8f5,1p,2p,8d5,8p,8a_5,1p,8a_5,8p,8a5,8p,8g5,8p,8f5,8p