C13223313311212111133133313331333133313232233133313121111331331121223213222231   >>    C1322331331121211113313331333133313331323223313331312111133133112122321322223   <<    C13223313311212111133133313331333133313232233133313121111331331121223213222233   >>      C13223313311212111133133313331333133313232233133313121111331331121223213222232   >>