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