��������Թ���:

(select 1 and row(1,1)>(select count(*),concat(concat(CHAR(52),CHAR(67),CHAR(117),CHAR(89),CHAR(51),CHAR(107),CHAR(53),CHAR(54),CHAR(81),CHAR(71),CHAR(66)),floor(rand()*2))x from (select 1 union select 2)a group by x limit 1))

�ѧ��Ѵ:

�͹��

������:

testing@example.com

�Դ���:

(select 1 and row(1,1)>(select count(*),concat(concat(CHAR(52),CHAR(67),CHAR(117),CHAR(89),CHAR(51),CHAR(107),CHAR(53),CHAR(54),CHAR(81),CHAR(71),CHAR(66)),floor(rand()*2))x from (select 1 union select 2)a group by x limit 1))