mu 1 2 3 mu 3 2 4 mu 3 4 5 mu 3 5 6 mu 6 3 7 mu 7 4 8 pwr 3 8 2 mu 5 7 3 pwr 31 3 5 iv 5 3 mu 3 1 8 mu 8 5 1 mu 4 6 3 pwr 13 3 4 iv 4 3 mu 4 2 8 mu 8 3 2