@0
ADD 8
MOV ACC, RIGHT

@1
MOV UP, ACC
SUB LEFT
JGZ O
SUB ACC
O: MOV ACC, DOWN

@2
SWP
SUB 8
SAV
ADD UP
MOV ACC, DOWN

@4
MOV UP, RIGHT

@5
MOV UP, ACC
JLZ O
SUB ACC
O: ADD LEFT
MOV ACC, DOWN

@7
MOV UP, ACC
JNZ A
MOV RIGHT, NIL
JRO 2
A: ADD RIGHT
MOV ACC, DOWN

@8
ADD 8
MOV ACC, LEFT
