mu 1 2 3
mu 3 2 4
mu 3 4 5
mu 3 5 6
mu 6 5 8
mu 3 8 9
mu 9 4 10
pwr 7 3 4
mu 4 10 5
mu 10 4 6
iv 6 7
mu 7 5 6
pwr 10 6 7
mu 10 7 12
mu 1 1 4
mu 4 3 11
mu 11 12 3
mu 3 12 4
pwr 5 3 5
mu 5 5 6
iv 4 3
mu 4 6 7
mu 7 3 6
iv 6 7
mu 7 5 8
mu 8 6 5
iv 2 3
pwr 4 5 6
mu 3 6 7
mu 7 2 6
mu 4 5 7
mu 7 5 8
mu 7 8 9
mu 7 9 10
mu 10 9 8
mu 8 8 7
mu 6 7 8
pwr 11 8 10
mu 2 10 9
iv 9 8
mu 8 11 10
mu 10 9 11
mu 8 12 10
mu 10 9 12
mu 11 12 3
pwr 8 3 6
mu 3 12 7
mu 3 7 8
mu 3 8 7
pwr 5 7 8
mu 8 6 7
iv 7 8
mu 8 6 9
mu 9 7 10
mu 4 10 1
mu 7 5 6
mu 8 6 2