On Jul 15, 12:29=A0pm, Phrogz <phr... / mac.com> wrote:
> C:\>type tmp.rb
> count =3D 0
> combo =3D nil
> (1..166).to_a.combination(5).each do |c|
> =A0 count+=3D 1; combo =3D c
> end
> p count, combo
>
> C:\>ruby -v tmp.rb
> ruby 1.9.1p243 (2009-07-16 revision 24175) [i386-mingw32]
> 129462338
> [5, 34, 54, 73, 81]

For posterity, this has now been logged as a bug here:
http://redmine.ruby-lang.org/issues/show/3581