@0
ADD 8
MOV ACC, RIGHT

@1
SAV
SUB UP
JLZ P
SWP
P: MOV ACC, RIGHT
MOV LEFT, ACC

@2
MOV RIGHT, ACC
SUB UP
JLZ K
MOV ACC, DOWN
MOV LEFT, NIL
JMP E
K: MOV LEFT, DOWN
E:

@3
MOV ACC, LEFT
ADD 8

@5
SAV
SUB UP
MOV ACC, DOWN
SWP
ADD 8

@7
MOV UP, DOWN
