ยินดีต้อนรับสู่บทเรียนออนไลน์ Mr. (94102)
(select(0)from(select(sleep(8.11)))v)/ WHERE 5209=5209 OR (SELECT 2*(IF((SELECT * FROM (SELECT CONCAT(0x7176786a71,(SELECT (ELT(4148=4148,1))),0x7170627671,0x78))s), 8446744073709551610, 8446744073709551610)))-- oltl