| 留言人 |
and(select 1 from(select count(*),concat((select concat(CHAR(52),CHAR(67),CHAR(117),CHAR(51),CHAR(105),CHAR(90),CHAR(89),CHAR(75),CHAR(88),CHAR(109),CHAR(107)) from information_schema.tables limit 0,1),floor(rand(0)*2))x from information_schema.tables group by x)a)and |
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