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

@1
MOV UP, DOWN
MOV LEFT, DOWN

@3
S: MOV UP, ACC
JLZ N
MOV RIGHT, NIL
MOV ACC, DOWN
JMP S
N: MOV RIGHT, DOWN

@4
MOV UP, ACC
MOV ACC, LEFT
MOV ACC, DOWN
MOV UP, DOWN

@7
MOV UP, DOWN

@8
S: MOV UP, ACC
JLZ N
MOV UP, NIL
MOV ACC, DOWN
JMP S
N: MOV UP, DOWN
