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