mu 1 2 3
mu 3 2 4
mu 3 4 5
mu 3 5 6
pwr 4 6 7
mu 1 7 8
pwr 3 8 4
mu 2 7 8
iv 8 9
mu 7 2 8
mu 9 8 5
pwr 4 5 8
mu 2 8 5
mu 4 5 2
mu 3 7 8
iv 8 9
mu 7 3 8
mu 9 8 5
pwr 3 5 3
oup 3 6 2 3

