C13223313311212111133133313331333133313232233133313311211111211113311211131   >>    C1322331331121211113313331333133313331323223313331331121111121111331121113   <<    C13223313311212111133133313331333133313232233133313311211111211113311211133   >>      C13223313311212111133133313331333133313232233133313311211111211113311211132   >>