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

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

@8
L: MOV UP, ACC
SUB 9
JGZ P
MOV ACC, RIGHT
JMP L
P: MOV -999, RIGHT

@9
MOV 0, DOWN
MOV LEFT, ACC
L: MOV LEFT, ACC
ADD 18
JLZ P
MOV 0, DOWN
JMP L
P: MOV 1, DOWN
JMP L
