On Apr 24, 2005, at 4:01 AM, Vance A Heron wrote: > I wrote a solver in Ruby in about 2 hrs - not pretty, but it > works. As mentioned by Christian, I used the same approach as > the 8-queens problem. I'm using the int[][] notation... This sounds like a fine difficultly for a Ruby Quiz problem then. Anyone willing to write up the quiz and send it to suggestion / rubyquiz.com? I will sure run it. James Edward Gray II