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

@5
MOV UP, DOWN

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

@9
MOV -999, ACC
L: SAV
SUB LEFT
JLZ N
MOV LEFT, ACC
JEZ E
SWP
JMP L
N: MOV LEFT, ACC
JMP L
E: SWP
MOV ACC, DOWN
