C13223313311212111133133313331333133313123133313113313231323311221   >>    C1322331331121211113313331333133313331312313331311331323132331122   <<    C13223313311212111133133313331333133313123133313113313231323311223   >>      C13223313311212111133133313331333133313123133313113313231323311222   >>