@1
MOV UP, ACC
MOV ACC, DOWN
SWP
MOV ACC, DOWN

@5
MOV UP, ACC
SAV
SUB UP
SUB 9
MOV ACC, DOWN

@8
L: MOV UP, ACC
JGZ P
ADD 18
JLZ P
MOV 0, RIGHT
JMP L
P: MOV 1, RIGHT

@9
MOV LEFT, ACC
MOV 0, DOWN
L: MOV LEFT, DOWN
JMP L
