mu 1 2 3 mu 3 2 4 mu 3 4 5 mu 3 5 6 mu 6 3 7 mu 7 4 8 mu 7 8 9 mu 9 9 2 mu 6 4 7 pwr 14 7 8 iv 8 9 mu 9 1 10 mu 10 8 1 mu 4 6 7 pwr 2 7 8 mu 5 4 6 mu 6 3 9 mu 8 9 7 iv 7 6 mu 6 2 8 mu 8 7 2