@1
MOV UP, RIGHT

@2
L: MOV LEFT, ACC
ADD RIGHT
JGZ N
MOV UP, ACC
SAV
ADD RIGHT
JLZ M
MOV 0, DOWN
JMP L
N: MOV UP, NIL
SUB RIGHT
JMP O
M: SWP
O: MOV ACC, DOWN

@3
SUB 8
MOV ACC, LEFT
MOV ACC, LEFT

@5
MOV UP, DOWN

@7
MOV UP, DOWN
