无差别pk赛倒计时一天！还不组队去报名吗？

123456'and(select*from(select+sleep(2))a/**/union/**/select+1)='

${983123412+823012761}

123456

123456

123456

123456

123456/**/and(select+1/**/from/**/pg_sleep(2))>0/**/

expr 883025262 + 858606130

123456/**/and(select+1)>0waitfor/**/delay'0:0:0'/**/

123456/**/and(select+1)>0waitfor/**/delay'0:0:2'/**/

123456

123456/**/and/**/4=DBMS_PIPE.RECEIVE_MESSAGE('r',0)

123456

123456

123456

123456

123456

123456

123456

123456