@0
   MOV UP   ACC
   MOV UP   DOWN
   MOV -8   DOWN
   MOV DOWN LEFT
   JRO DOWN

   JNZ O
I: MOV -9  DOWN
   MOV UP   DOWN

N: MOV LEFT ACC
O: MOV ACC  DOWN
   JGZ N

@1


@2


@3


@4
   MOV 73  ACC
S: SUB 9
   MOV ACC DOWN
   JGZ S

   MOV ANY ANY
   JRO -1

@5


@6


@7
N: MOV ACC  LEFT
N2:MOV UP   ACC
   JGZ N

   ADD UP
G: MOV -1   UP
   ADD 1
   MOV LEFT UP
   JLZ G
Z: MOV 1    UP

   MOV LEFT ACC
   JRO UP
   MOV ACC  DOWN

@8