@0
MOV UP, DOWN

@1
MOV UP, ACC
MOV ACC, DOWN
MOV ACC, DOWN
NEG
ADD 11
MOV ACC, DOWN
MOV ACC, DOWN

@2
MOV UP, ACC
MOV RIGHT, DOWN
MOV ACC, RIGHT
MOV ACC, DOWN
MOV RIGHT, DOWN
MOV ACC, RIGHT
MOV ACC, DOWN

@3
MOV UP, RIGHT
MOV UP, LEFT
MOV LEFT, ACC
L: SUB RIGHT
MOV -4, RIGHT
JLZ E
JMP L
E: ADD RIGHT
MOV -6, RIGHT
MOV ACC, DOWN

@4
R: MOV LEFT, ACC
SAV
L: SWP
SAV
MOV ACC, LEFT
MOV LEFT, ACC
JRO ACC

@5
MOV UP, ACC
MOV ACC, RIGHT
MOV ACC, RIGHT
MOV UP, ACC
SUB RIGHT
MOV ACC, DOWN
MOV -1, RIGHT
MOV UP, ACC
MOV ACC, RIGHT
MOV ACC, RIGHT
MOV UP, ACC
SUB RIGHT
MOV ACC, RIGHT

@6
S: MOV UP, ACC
SAV
ADD ACC
SUB LEFT
JGZ U
MOV LEFT, NIL
SWP
MOV ACC, LEFT
JMP E
U: SWP
SUB LEFT
MOV ACC, LEFT
E: MOV LEFT, ACC
JLZ S
MOV ACC, DOWN
