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