@1
MOV UP ACC
MOV ACC DOWN
SUB UP
JEZ E
L: MOV -1 DOWN
ADD 1
JNZ L
E: MOV 1 DOWN

@2
MOV UP DOWN

@5
MOV UP RIGHT

@6
MOV LEFT ACC
JEZ O
L: MOV UP NIL
SUB 1
JNZ L
O: MOV UP DOWN
JRO LEFT
MOV 0 DOWN
D: MOV UP ACC
JNZ D

@9
MOV UP DOWN
