mu 1 2 3 mu 3 2 4 mu 4 2 5 mu 5 2 6 mu 6 2 7 mu 7 2 8 mu 8 2 9 pwr 3 6 10 pwr 3 3 11 mu 4 11 12 pwr 7 12 13 mu 6 4 14 mu 9 7 15 mu 14 15 16 mu 3 5 14 mu 16 14 15 mu 5 4 16 mu 15 16 14 iv 14 15 mu 15 13 11 mu 11 14 17 mu 10 17 18 pwr 2 17 19 iv 2 20 mu 20 19 21 mu 21 2 20 mu 19 20 21 pwr 19 21 20 mu 2 20 11 iv 5 20 mu 20 19 21 mu 21 5 20 mu 19 20 21 pwr 14 21 20 mu 5 20 12 mu 11 12 20 mu 20 12 21 mu 20 20 22 pwr 14 21 23 mu 22 23 20 pwr 3 20 24 pwr 8 11 20 pwr 5 12 21 mu 20 21 22 pwr 3 11 20 mu 22 20 21 iv 21 22 mu 22 24 20 mu 20 21 25 pwr 7 11 20 pwr 3 12 21 mu 20 21 22 pwr 6 11 20 mu 20 12 21 mu 22 21 20 iv 20 21 mu 21 24 22 mu 22 20 26 mu 8 3 20 mu 20 7 21 mu 21 7 20 mu 20 9 21 mu 21 4 20 mu 20 5 21 mu 21 6 20 iv 20 21 mu 21 1 22 mu 22 20 27 mu 25 10 1 mu 25 26 20 mu 17 27 21 mu 20 21 2