C13223313311212111133133313331333132313231323331311331313331211   >>    C1322331331121211113313331333133313231323132333131133131333121   <<    C13223313311212111133133313331333132313231323331311331313331213   >>      C13223313311212111133133313331333132313231323331311331313331212   >>