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

@5
MOV 999, ACC
L: SAV
MOV UP, DOWN
SUB UP
JGZ N
MOV UP, DOWN
SWP
JMP L
N: MOV UP, ACC
MOV ACC, DOWN
JNZ L
SWP
MOV ACC, DOWN

@8
L: SAV
SUB UP
JGZ M
MOV UP, ACC
JMP L
M: MOV UP, ACC
JNZ S
SWP
MOV ACC, RIGHT
MOV UP, DOWN
S: SWP

@9
MOV LEFT, DOWN
