User blog comment:GamesFan2000/Another attempt at array notation.../@comment-35470197-20181114073145/@comment-35470197-20181114080306

> Uh, pardon? Read the definitions at the top of my post closely. You'll see why you're wrong with your understanding of n.

I have read it, but could not "see why I am wrong". Then could you tell me why Rule 7 is applicable to {2,2,1,1,2}? The pilot in Rule 7 should be at the third possition followed by other non-one entries, while the pilot of {2,2,1,1,2} in your definition is the last 2.