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