Re^2: Recursion: the Towers of Hanoi problem

[Theo]

When all of the disks are on a different peg than they started on, size ordered smallest to largest, top to bottom. An extra "twist" is to require them to end up on a specific peg.

[apotheon]

Ah! Thank you.

I'd seen this puzzle before (perhaps even in a CompSci course, and/or in a book about programming), but frankly didn't recall its conditions. I needed a memory refresher.