alv problem

Hi Experts,

There is one urgent requirment in alv.

Suppose i have 12 column in my internal table.

the data i have to append in this table is like..

first row of the internal table shud be of 12 headings each of 50 lenth.

next three rows shud contain numeric values all.

next 10 rows shud contain currency values.

it shud be displayed in single alv report. i can not use the field char type. i have to do something dynamically.

how can i achieve that. please help me out.

hope i made the quetion clear.

its really really urgent.

Thanks In advance.

Azad.