@0
MOV UP RIGHT

@1
MOV RIGHT ACC
ADD ACC
ADD UP
ADD ACC
ADD LEFT
MOV ACC   RIGHT

@2
   MOV RIGHT LEFT
   MOV ACC   DOWN

   MOV UP    ACC
   JEZ Z
   MOV -3    ACC

Z: SUB LEFT
   MOV ACC   DOWN

@3
MOV UP LEFT

@4


@5


@6
MOV UP ANY

@7


@8


@9
   MOV UP  ACC

   SUB UP
   JGZ G
   MOV 0   ACC

G: MOV ACC DOWN

@10