@0
MOV UP ACC
JLZ N
MOV RIGHT NIL
JMP O
N: MOV RIGHT ACC
O: MOV ACC RIGHT
MOV ACC RIGHT

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

@4
MOV UP DOWN

@7
MOV RIGHT DOWN

@8
MOV UP DOWN
MOV UP LEFT
