C13223313311212111133133313331312111111331311331323132313223313232223131   >>    C1322331331121211113313331333131211111133131133132313231322331323222313   <<    C13223313311212111133133313331312111111331311331323132313223313232223133   >>      C13223313311212111133133313331312111111331311331323132313223313232223132   >>