with t_table(a, b, c) as (
select 8003, 4003, 2003 from dual union all
select 8003, 4003, 2003 from dual union all
select 8003, 5003, 2003 from dual union all
select 8003, 5003, 2004 from dual union all
select 8003, 5003, 2005 from dual )