C13223313311212111133133313331333133313232233133313113313311232132333131   >>    C1322331331121211113313331333133313331323223313331311331331123213233313   <<    C13223313311212111133133313331333133313232233133313113313311232132333133   >>      C13223313311212111133133313331333133313232233133313113313311232132333132   >>