C1212132133313223313133313113313121111331311331311331323133313121311   >>    C121213213331322331313331311331312111133131133131133132313331312131   <<    C1212132133313223313133313113313121111331311331311331323133313121313   >>      C1212132133313223313133313113313121111331311331311331323133313121312   >>