mu 1 2 3
mu 2 3 4
mu 3 4 5
pwr 10 2 6
mu 5 4 2
pwr 3 2 7
mu 4 6 2
mu 2 4 6
iv 6 2
mu 2 7 4
mu 4 6 2
mu 5 5 4
mu 3 3 5
mu 4 5 3
pwr 12 3 1