C1212132133313223313133313113313121111331311331311331323132323311   >>    C121213213331322331313331311331312111133131133131133132313232331   <<    C1212132133313223313133313113313121111331311331311331323132323313   >>      C1212132133313223313133313113313121111331311331311331323132323312   >>