chor 1 2 chor 2 3 mu 1 2 3 chor 3 12 pwr 5 3 4 com 1 2 5 mu 4 5 6 iv 2 7 mu 1 7 8 pwr 3 8 9 mu 6 9 10 mu 10 3 11 com 1 7 8 mu 11 8 12 mu 12 8 13 mu 13 3 14 mu 14 3 15 mu 15 9 16 mu 16 8 17 chor 17 1