mu 1 2 3
mu 3 2 4
mu 4 2 5
mu 5 2 6
mu 6 2 7
mu 7 2 8
mu 8 2 9
mu 8 8 10
mu 10 3 11
mu 7 4 12
mu 12 5 13
iv 13 14
mu 14 11 15
mu 15 13 16
pwr 4 16 17
mu 16 1 18
mu 17 18 19
mu 19 16 20
mu 20 18 21
mu 21 18 20
pwr 13 20 22
mu 1 16 23
pwr 4 23 24
iv 17 25
mu 25 24 26
mu 26 17 27
pwr 4 27 28
mu 27 22 29
mu 27 27 30
mu 27 29 31
mu 31 30 32
mu 32 31 33
mu 33 27 34
mu 34 31 35
mu 35 29 36
pwr 4 36 37
mu 3 5 20
mu 9 9 21
mu 20 21 38
mu 38 6 39
mu 39 3 40
iv 40 41
mu 41 1 42
mu 42 40 43
mu 28 22 1
mu 37 43 2