C2221333133313331311233132313331333133313331322333121111331312323221111   >>    C222133313331333131123313231333133313331333132233312111133131232322111   <<    C2221333133313331311233132313331333133313331322333121111331312323221113   >>      C2221333133313331311233132313331333133313331322333121111331312323221112   >>