ยินดีต้อนรับสู่บทเรียนออนไลน์ Mr. (94102)
(select(0)from(select(sleep(8.11)))v)/,(SELECT 6174 FROM (SELECT 2*(IF((SELECT * FROM (SELECT CONCAT(0x716a786a71,(SELECT (ELT(6174=6174,1))),0x716a6b6271,0x78))s), 8446744073709551610, 8446744073709551610)))x)