@1
L: MOV UP, ACC
MOV ACC, DOWN
JEZ Z
MOV -1, DOWN
JMP L
Z: MOV 1, DOWN

@4
MOV UP, DOWN
MOV UP, ACC
MOV ACC, DOWN
MOV ACC, RIGHT

@5
MOV LEFT, DOWN

@8
ADD UP
JRO UP
MOV ACC, DOWN
MOV 0, ACC

@9
ADD 1
JRO UP
SUB 1
MOV ACC, DOWN
MOV 0, ACC
