C13223313311212111133133313331333132313231323331333133313232311233132331311   >>    C1322331331121211113313331333133313231323132333133313331323231123313233131   <<    C13223313311212111133133313331333132313231323331333133313232311233132331313   >>      C13223313311212111133133313331333132313231323331333133313232311233132331312   >>