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select row1, row2, row3, row4, row5 from table2
union all
select ro1, ro2,null, ro3,null from table1
select row1, row2, row3, row4, row5 from table2
union all
select ro1, ro2,null, ro3,null from table1
select row1 new1,row2 new2,row3 new3,row4 new4 from table2
union all
select ro1,ro2,null,ro3,null from table1