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

@2
MOV UP, ACC
MOV ACC, LEFT
MOV ACC, RIGHT

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

@5
MOV UP, RIGHT

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

@7
MOV UP, LEFT

@9
MOV UP, DOWN
