@1
MOV UP, DOWN
MOV RIGHT, DOWN

@2
MOV UP, LEFT

@4
MOV UP, DOWN
MOV UP, ACC
L: MOV ACC, DOWN
SUB DOWN
JLZ D
JMP L
D: ADD 999
MOV ACC, DOWN

@7
MOV 0, ACC
SAV
MOV UP, ACC
L: SUB UP
JLZ D
MOV 0, UP
SWP
ADD 1
SWP
JMP L
D: MOV 999, UP
ADD UP
MOV ACC, RIGHT
SWP
MOV ACC, DOWN

@8
MOV LEFT, DOWN
