@0
S: MOV ACC  LEFT
   MOV DOWN ACC
   JGZ S

   MOV UP   ACC
   MOV ACC  DOWN
   JEZ Z

N: SUB 1
   MOV LEFT DOWN
   JNZ N

Z: MOV LEFT ACC
   ADD 2

@1


@2


@3


@4
   ADD 20
G: MOV 1   ANY
E: SUB 2
   JGZ G
   JRO 2

L: MOV ANY ACC
   MOV ACC ANY
   JGZ L
   JEZ L

O: MOV UP  ACC
   JNZ E
   MOV 3   DOWN

@5


@6


@7
Z: MOV 0    ANY
   MOV UP   ACC
   JGZ E
   JEZ Z
   ADD 1
   JRO UP
   MOV ACC  DOWN
   JRO -2
   MOV -1   DOWN
G: MOV UP   LEFT
E: SUB 1
   JGZ G
N: MOV LEFT ACC
   MOV ACC  UP
   JNZ N

@8