C13223313311212111133133313331333133313232233133313331323322333121   >>    C1322331331121211113313331333133313331323223313331333132332233312   <<    C13223313311212111133133313331333133313232233133313331323322333123   >>      C13223313311212111133133313331333133313232233133313331323322333122   >>