BackToTh:d=4,o=6,b=125:16d,16d,16d,16d,8d,16d,16d,16d,16d,16d,16d,8d,16g,16g,16g,p,8p,16b,16a,b,e,p,8p,16c7,16b,8c7,8b,a,p,8p,16c7,16b,c7,e,p,8p,16a,16g,8a5,g5,8b5,16c