@0
MOV UP RIGHT

@1
MOV UP   ACC
ADD ACC

ADD LEFT
MOV ACC  RIGHT

@2
  MOV UP    ACC
  JEZ Z
  MOV -3    ACC

Z:SUB RIGHT
  SUB LEFT
  MOV ACC   DOWN

@3
  MOV UP  ACC
  JEZ O
  MOV 4   ACC

O:MOV ACC LEFT

@4


@5


@6
MOV UP ACC
MOV ACC DOWN
MOV ACC DOWN

@7


@8


@9
S:
SUB UP
JGZ G

MOV UP ACC
MOV 0 DOWN
JMP S

G:
MOV ACC DOWN
MOV UP ACC

@10