mu 1 2 3 mu 3 2 4 mu 3 4 5 mu 3 5 6 mu 6 5 8 mu 2 2 1 pwr 5 8 2 iv 6 7 mu 7 2 4 mu 4 6 2 mu 3 8 9 mu 9 9 8 iv 8 7 mu 7 1 3 mu 3 8 1