[Retros] What does C+ mean?

[Theo]

C+ = Problem checked with computer

-----Original Message-----
From: retros-bounces at janko.at [mailto:retros-bounces at janko.at]On Behalf Of
Renny Bosch
Sent: ?? 16 ?????? 2005 05:42?
To: The Retrograde Analysis Mailing List
Subject: [Retros] What does C+ mean?

Could someone please explain what the designation "C+" means?  I suspect it
has something to do with uniqueness or minimum length but am not sure.  If
it is explained in the Retro Corner Glossary please tell me under what
heading.

Thank you very much.

Renny Bosch
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