@0


@1
S: MOV 0, RIGHT
L: MOV UP, ACC
  MOV ACC, RIGHT
  JNZ L
  MOV RIGHT, NIL
  MOV ACC, DOWN
  MOV DOWN, NIL
  JMP S

@2


@3


@4
MOV UP, RIGHT
MOV RIGHT, UP

@5
W: MOV LEFT, NIL
L: MOV UP, ACC
  MOV ACC, DOWN
  JNZ L
  MOV ACC, LEFT
  JMP W

@6


@7
MOV UP, DOWN

@8

