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

@5
MOV UP, DOWN

@8
MOV 999, ACC
L: SAV
MOV UP, RIGHT
SUB UP
JGZ N
MOV UP, RIGHT
SWP
JMP L
N: MOV UP, ACC
MOV ACC, RIGHT
JNZ L
SWP
MOV ACC, DOWN

@9
L: SAV
SUB LEFT
JLZ N
MOV LEFT, ACC
JNZ K
SWP
MOV ACC, DOWN
SWP
JMP L
N: MOV LEFT, ACC
JMP L
K: SWP
