User blog comment:Hyp cos/Analysis - BEAF, FGH and SGH (part 2)/@comment-5529393-20131030064827/@comment-11227630-20131102013539

In 3&3&3&3 the & has property "holdleft", which make it difficult to solve and compare. You can have a look at part 1 for more details.

What's the difference between n+1&n&n and (n+1)&n&n, {n,n+1}&n and {n,(n+1)}&n do you think?