C1212132133313223313133313113313121111331311331311331323132322321   >>    C121213213331322331313331311331312111133131133131133132313232232   <<    C1212132133313223313133313113313121111331311331311331323132322323   >>      C1212132133313223313133313113313121111331311331311331323132322322   >>