如何在oracle 10g中根据住址进行排序？

I want to query the Oracle 10g database and get result on the basis of residential address in ascending or descending order. So the problem is building addresses are at time in the form of 110C or 200D, so according to sql "order by" asc or desc, I get the result as 200D before 20. for eg, if adresses are 10 110 112 200D 232 95 20 100A 1050 944 I want to query the Oracle 10g database and get