C13223313311212111133133313331333133313232233133313331311231121111   >>    C1322331331121211113313331333133313331323223313331333131123112111   <<    C13223313311212111133133313331333133313232233133313331311231121113   >>      C13223313311212111133133313331333133313232233133313331311231121112   >>