C1212132133313223313133313113313121111331311331311331323133313113322331   >>    C121213213331322331313331311331312111133131133131133132313331311332233   <<    C1212132133313223313133313113313121111331311331311331323133313113322333   >>      C1212132133313223313133313113313121111331311331311331323133313113322332   >>