@0
MOV UP,ACC
SAV
MOV ACC,DOWN
G:SUB RIGHT
JGZ C
JMP L
C:SUB RIGHT
MOV -2 RIGHT
JGZ G
MOV RIGHT NIL
L:MOV ACC,DOWN
SWP
MOV RIGHT DOWN
MOV 1 RIGHT
JGZ G

@1
MOV UP,ACC
MOV ACC,LEFT
MOV ACC LEFT
JRO LEFT
SUB 11
NEG
MOV ACC,LEFT
MOV ACC LEFT
JRO LEFT
NOP

@2
MOV ANY DOWN
S:MOV UP,ACC
SAV
ADD ACC
ADD UP
JGZ L
MOV ACC DOWN
SWP
MOV ACC DOWN
MOV ANY DOWN
JMP S
L:SWP
MOV ACC,DOWN
MOV 0 DOWN

@3


@4


@5
MOV UP ACC
SAV
SUB UP
ADD UP
MOV ACC UP
MOV UP DOWN
SWP
SUB UP
ADD UP
MOV ACC RIGHT

@6
MOV LEFT DOWN

@7