@1
MOV UP RIGHT
MOV UP DOWN

@2
A: MOV LEFT ACC
JEZ Z
MOV 999 DOWN
JMP A
Z: MOV 1 DOWN

@4
A: MOV UP ACC
JEZ Z
MOV 999 RIGHT
JMP A
Z: MOV 1 RIGHT

@5
MOV UP DOWN
MOV LEFT DOWN

@9
JRO UP
MOV 0 DOWN
JRO UP
MOV 0 DOWN
C: JRO UP
MOV 1 DOWN
JRO UP
MOV 1 DOWN
JRO UP
MOV 1 DOWN
JRO UP
MOV 1 DOWN
JMP C
MOV 0 DOWN
