@1
MOV UP ACC
JNZ O
MOV 999 ACC
O: MOV ACC DOWN

@4
MOV -999 ACC
ADD UP
JLZ C
JMP E
C: MOV 1 DOWN
ADD UP
JLZ C
E: MOV 3 DOWN
MOV ACC DOWN

@8
L: JRO UP
ADD 1
JMP L
MOV UP DOWN
MOV ACC RIGHT
MOV 0 ACC

@9
MOV LEFT DOWN
