@1
MOV UP ACC
MOV ACC RIGHT
SUB UP
MOV ACC RIGHT

@2
MOV LEFT ACC
JEZ E
L: MOV UP NIL
SUB 1
JNZ L
E: MOV LEFT ACC
JMP O
A: ADD 1
O: MOV UP DOWN
JNZ A
MOV 0 DOWN
Z: MOV UP ACC
JNZ Z

@6
MOV UP DOWN

@9
MOV UP DOWN
