C1333231331121111331333133313331333132233313331333133313111113233311   >>    C133323133112111133133313331333133313223331333133313331311111323331   <<    C1333231331121111331333133313331333132233313331333133313111113233313   >>      C1333231331121111331333133313331333132233313331333133313111113233312   >>