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

@1
S:MOV UP, ACC
SAV
SUB LEFT
JGZ B
MOV LEFT, DOWN
SWP
MOV ACC, DOWN
JMP S
B:SWP
MOV ACC, DOWN
MOV LEFT, DOWN

@2
S:MOV UP, ACC
SAV
SUB RIGHT
JGZ B
MOV RIGHT, DOWN
SWP
MOV ACC, DOWN
JMP S
B:SWP
MOV ACC, DOWN
MOV RIGHT, DOWN

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

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

@6
MOV UP, ACC
SAV
SUB LEFT
JLZ Q
MOV LEFT, ACC
JMP T
Q:SWP
MOV LEFT, NIL
T:MOV UP, LEFT
MOV ACC, DOWN

@8
MOV UP, ACC
SAV
SUB UP
JGZ P
MOV UP, ACC
JMP T
P:SWP
MOV UP, NIL
T:MOV ACC, RIGHT
MOV ACC, RIGHT

@9
MOV UP, ACC
SAV
SUB LEFT
JGZ U
MOV LEFT, ACC
JMP T
U:SWP
MOV LEFT, NIL
T:MOV ACC, DOWN
