表排序有关问题

表排序问题存在以下一个表select0,1unionselect0,2unionselect0,3unionselect0,4unionselect1,0unionselec

表排序问题
存在以下一个表
      select   0,1
union   select   0,2
union   select   0,3
union   select   0,4
union   select   1,0
union   select   2,0
union   select   3,0
union   select   4,0
排序后要求变成  
0,1
1,0
0,2
2,0
0,3
3,0
0,4
4,0

该怎么样做啊?感觉不可能实现阿



[解决办法]
--example
Select * from (
select 0 as ID1,1 as ID2
union select 0,2
union select 0,3
union select 0,4
union select 1,0
union select 2,0
union select 3,0
union select 4,0) as t
order by ID1+ID2,ID1