On Feb 9, 2006, at 5:23 PM, Manuel Kasten wrote:

> Another interesting solution is the one from 0x002A. It is quite slow,
> but if you've never seen anything with lazy evaluation ("require
> 'lazylist'") you should check it.

I agree.  I almost discussed this one, but it had a few issues, like  
the speed you mentioned.  I'm always limited by my time, otherwise I  
would surely write-up all the solutions each week.  :(

James Edward Gray II