C1212132133313223313133313113313121111331311331311331323132313211231   >>    C121213213331322331313331311331312111133131133131133132313231321123   <<    C1212132133313223313133313113313121111331311331311331323132313211233   >>      C1212132133313223313133313113313121111331311331311331323132313211232   >>