C1212132133313223313133313113313121111331311331311331323132313221311   >>    C121213213331322331313331311331312111133131133131133132313231322131   <<    C1212132133313223313133313113313121111331311331311331323132313221313   >>      C1212132133313223313133313113313121111331311331311331323132313221312   >>