@1
S: MOV RIGHT ACC
JGZ Z
MOV UP DOWN
JMP S
Z: MOV 0 DOWN
MOV UP NIL

@2
MOV UP ACC
MOV ACC LEFT
MOV ACC RIGHT

@3
S: MOV LEFT ACC
JLZ Z
MOV UP DOWN
JMP S
Z: MOV 0 DOWN
MOV UP NIL

@5
MOV UP RIGHT

@6
MOV LEFT ACC
ADD RIGHT
MOV ACC DOWN

@7
MOV UP LEFT

@9
MOV UP DOWN
