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

@2
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

@6
MOV UP DOWN

@9
MOV UP DOWN
