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