mu 1 2 3 mu 3 2 4 mu 3 4 5 mu 3 5 6 mu 6 5 8 mu 3 8 9 mu 9 4 10 pwr 7 3 4 mu 4 10 5 mu 10 4 6 iv 6 7 mu 7 5 6 pwr 10 6 7 mu 10 7 2 mu 1 1 4 mu 4 3 1