@0
   MOV -1 DOWN
   MOV UP ACC
G: SUB 4
   JGZ G

@1
MOV ANY ACC
ADD 1
MOV ACC DOWN

@2


@3


@4


@5
MOV UP ANY

@6
MOV LEFT ACC
MOV ACC  RIGHT
ADD ACC
MOV ACC  RIGHT
ADD ACC
MOV ACC  DOWN

@7
MOV LEFT RIGHT
MOV LEFT DOWN

@8
MOV LEFT DOWN