Date: Mon, 24 Feb 1997 22:02:12 -0500

From: Alex Bogomolny

Dear Mike:

Yes, there is an algorithmic approach to solving your problem. The solution is

16 2 3 13 5 11 10 8 9 7 6 12 4 14 15 1

which I picked up from a russian text. However, an explanation also appears in the following two books:

- M.Gardner, Time Travel and Other Mathematical Bewilderments
- Ya.I.Perelman, Fun with Maths and Physics

Best regards,

Alexander Bogomolny

70370341