@1
MOV UP, DOWN
MOV UP, ACC
MOV UP, DOWN
SWP
MOV UP, ACC
L: SWP
MOV ACC, DOWN
ADD 1
SWP
MOV ACC, DOWN
SUB 1
JGZ L

@4
N: MOV UP, ACC
SWP
MOV UP, ACC
L: SWP
MOV ACC, RIGHT
SWP
MOV UP, RIGHT
MOV ACC, RIGHT
JRO UP
JMP N
JMP L

@5
MOV LEFT, DOWN

@9
MOV UP, DOWN
MOV UP, DOWN
MOV UP, ACC
L: MOV 3, DOWN
SUB 2
JLZ E
MOV 3, DOWN
JGZ L
E: MOV -1, DOWN
