@SloopJon - I thought the same thing when I looked at this years ago. In fact, many older books/articles mentioned. @rer0tsaz - this is a great counter example

@SloopJon - I thought the same thing when I looked at this years ago. In fact, many older books/articles mentioned. @rer0tsaz - this is a great counter example. Is there a general form for these types of problems and solutions? Also, I wonder how often instruction sequences like that would occur.