@1
MOV UP, RIGHT

@2
MOV UP, ACC
MOV LEFT, DOWN
L: MOV ACC, DOWN
JRO DOWN
MOV ACC, DOWN

@5
MOV UP, ACC
L: SUB UP
JLZ F
MOV -1, UP
MOV 1, DOWN
JMP L
F: MOV 1, UP
MOV 999, DOWN
ADD UP
MOV ACC, DOWN

@7
MOV RIGHT, DOWN

@8
MOV -999, ACC
L: ADD UP
JLZ L
MOV UP, DOWN
MOV ACC, LEFT
