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