C13223313311212111133133313331333133313232233133313331333221333133313232111   >>    C1322331331121211113313331333133313331323223313331333133322133313331323211   <<    C13223313311212111133133313331333133313232233133313331333221333133313232113   >>      C13223313311212111133133313331333133313232233133313331333221333133313232112   >>