@0
MOV UP, ACC
MOV ACC, DOWN
MOV ACC, RIGHT

@1
S: MOV UP, ACC
JLZ N
MOV ACC, DOWN
MOV LEFT, NIL
JMP S
N: MOV LEFT, DOWN

@3
MOV UP, DOWN

@4
MOV UP, DOWN

@7
S: MOV UP, ACC
JLZ N
MOV ACC, DOWN
MOV RIGHT, NIL
JMP S
N: MOV RIGHT, DOWN

@8
MOV UP, ACC
MOV ACC, DOWN
MOV ACC, LEFT
