Merge Sort is much easier to explain when you do the non-recursive version that's upside-down. Merge size 1 together, merge size 2 together, merge size 4 toget

Merge Sort is much easier to explain when you do the non-recursive version that's upside-down. Merge size 1 together, merge size 2 together, merge size 4 together, merge size 8 together, etc...