@0
L: MOV UP, ACC
JLZ N
MOV ACC, DOWN
MOV ACC, RIGHT
MOV RIGHT, NIL
JMP L
N: MOV ACC, RIGHT
MOV RIGHT, ACC
MOV ACC, DOWN
JMP L

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

@3
MOV UP, DOWN

@4
MOV UP, DOWN

@7
MOV UP, DOWN

@8
MOV UP, DOWN
