@1
MOV UP, ACC
MOV ACC, DOWN
MOV ACC, DOWN

@2
MOV UP, DOWN

@3
MOV ACC, DOWN
MOV DOWN, ACC

@5
SUB 4
L: NEG
ADD UP
ADD 5
MOV ACC, DOWN
MOV UP, ACC
JMP L

@6
MOV UP, ACC
MOV ACC, DOWN
SWP
MOV ACC, DOWN
MOV RIGHT, DOWN
MOV RIGHT, DOWN
MOV RIGHT, DOWN
MOV ACC, RIGHT

@7
MOV ACC, LEFT
SWP
MOV ACC, LEFT
MOV UP, LEFT
MOV ACC, UP
MOV LEFT, ACC

@8
MOV UP, RIGHT

@9
JRO LEFT
MOV UP, NIL
MOV UP, NIL
MOV UP, NIL
MOV UP, NIL
MOV UP, NIL
MOV UP, NIL
MOV UP, NIL
MOV UP, NIL
MOV UP, DOWN
