C13223313311212111133133313331333133313233212121111331323221311   >>    C1322331331121211113313331333133313331323321212111133132322131   <<    C13223313311212111133133313331333133313233212121111331323221313   >>      C13223313311212111133133313331333133313233212121111331323221312   >>