@0


@1
   MOV UP ACC
   JLZ E

L: SUB 25
   MOV -1 DOWN
   JGZ L

E: MOV 1  DOWN

@2


@3


@4
MOV -2  ACC

ADD 1
JRO UP

MOV ACC LAST
MOV ACC ANY

@5


@6
Z: MOV UP  ACC
   MOV ACC DOWN
   MOV -1  RIGHT
   SAV
   SUB UP
   JEZ Z

N: MOV 1   RIGHT
   SWP
   MOV ACC RIGHT

@7
MOV -1   ACC

ADD 1
JRO LEFT

MOV ACC  DOWN
MOV LEFT DOWN

@8