C13223313311212111133133313331333133313233212121111331323222231   >>    C1322331331121211113313331333133313331323321212111133132322223   <<    C13223313311212111133133313331333133313233212121111331323222233   >>      C13223313311212111133133313331333133313233212121111331323222232   >>