mu 1 2 3
mu 3 2 4
mu 4 2 5
pwr 4 2 6
mu 3 3 7
mu 4 7 8
iv 8 9
mu 9 6 10
mu 10 8 11
mu 6 11 9
pwr 19 9 10
mu 8 10 12
iv 5 9
mu 9 6 10
mu 10 5 11
mu 6 11 9
mu 5 9 13
mu 5 4 14
iv 14 9
mu 9 6 10
mu 10 14 11
mu 6 11 9
pwr 6 9 15
mu 13 15 16
pwr 4 3 9
mu 5 9 10
iv 10 11
mu 11 6 9
mu 9 10 11
mu 6 11 1
mu 12 16 17
pwr 2 16 15
mu 17 16 18
mu 17 15 19
mu 17 17 9
mu 19 9 20
mu 12 12 21
mu 21 12 22
mu 22 12 23
mu 21 18 9
mu 9 17 10
mu 10 22 9
mu 9 19 10
mu 10 12 9
mu 9 17 10
mu 10 23 9
mu 9 17 10
mu 10 17 9
mu 9 18 10
mu 10 22 9
mu 9 17 10
mu 10 18 9
mu 9 16 10
iv 10 9
mu 9 20 11
mu 11 10 2