mu 1 2 3
mu 3 2 4
mu 4 2 5
mu 5 2 6
mu 3 5 7
mu 6 7 8
mu 8 6 9
mu 9 4 8
mu 8 5 9
mu 9 4 8
mu 8 3 9
mu 9 3 8
iv 8 9
mu 9 1 10
mu 10 8 11
mu 3 4 8
mu 8 8 9
mu 5 9 8
pwr 4 8 12
pwr 3 4 8
mu 3 8 9
mu 9 3 8
mu 7 7 10
mu 8 10 9
mu 9 4 8
iv 8 9
mu 9 12 10
mu 10 8 13
mu 1 13 8
mu 8 13 9
mu 8 8 10
mu 9 10 14
mu 10 1 8
pwr 4 13 9
pwr 3 14 1
mu 9 8 2
oup 3 1 2 11