C13223313311212111133133313331333132313231323331333133313232311233132211   >>    C1322331331121211113313331333133313231323132333133313331323231123313221   <<    C13223313311212111133133313331333132313231323331333133313232311233132213   >>      C13223313311212111133133313331333132313231323331333133313232311233132212   >>