On Tue, Mar 13, 2018 at 5:42 AM, Skip Montanaro <skip.montanaro at gmail.com> wrote: >>>> 4 (0, 0, 1) >>>> 9 (0, 0, 1) >>>> 18 (0, 0, 2) >>>> 32 (0, 0, 2) >> >> I spy duplicates. > > I didn't realize we'd started playing "I Spy." > <wink> We're actually playing Calvinball, but don't tell the others. ChrisA