mu 1 2 3
mu 3 2 4
mu 3 4 5
mu 5 5 6
mu 3 3 4
mu 4 6 5
mu 2 1 4
pwr 21 5 1
pwr 33 3 5
pwr 8 4 3
pwr 43 4 6
mu 3 5 4
mu 4 6 3
iv 3 4
mu 1 3 5
mu 4 5 1