C13223313311212111133133313331333133313232233133313331333132233132331   >>    C1322331331121211113313331333133313331323223313331333133313223313233   <<    C13223313311212111133133313331333133313232233133313331333132233132333   >>      C13223313311212111133133313331333133313232233133313331333132233132332   >>