mu 1 2 3 mu 3 2 4 pwr 4 2 5 mu 1 5 6 mu 4 5 7 mu 4 3 8 mu 8 8 9 mu 6 9 10 mu 3 4 9 mu 9 7 11 iv 11 12 mu 12 10 9 mu 9 11 2