chor 1 2
chor 2 5
mu 1 2 3
chor 3 17
mu 3 2 4
mu 3 4 5
chor 5 15

mu 3 5 6
mu 6 2 7
chor 7 10
pwr 5 7 8
cj 1 2 9
mu 9 8 10
chor 10 3
