C13223313311212111133133313331333133313232233133313113321113231   >>    C1322331331121211113313331333133313331323223313331311332111323   <<    C13223313311212111133133313331333133313232233133313113321113233   >>      C13223313311212111133133313331333133313232233133313113321113232   >>