@0
ADD UP
MOV ACC, RIGHT
MOV ACC, RIGHT

@1
ADD UP
SAV
SUB LEFT
JGZ T
MOV LEFT, DOWN
MOV 1, DOWN
SWP
JMP Z
T: MOV LEFT, NIL
SWP
MOV ACC, DOWN
MOV 2, DOWN
Z:

@2
ADD UP
SAV
SUB RIGHT
JLZ T
MOV RIGHT, NIL
SWP
MOV ACC, DOWN
MOV 3, DOWN
JMP Z
T: MOV RIGHT, DOWN
MOV 4, DOWN
SWP
Z:

@3
ADD UP
MOV ACC, LEFT
MOV ACC, LEFT

@5
MOV UP, DOWN
MOV UP, DOWN
MOV RIGHT, DOWN
MOV RIGHT, DOWN

@6
MOV UP, LEFT

@9
MOV UP, ACC
SAV
MOV UP, ACC
SWP
SUB UP
JLZ R
MOV UP, NIL
SWP
MOV ACC, DOWN
JMP E
R: MOV UP, DOWN
E:
