SQL & PL/SQL

Hi
I want to multiple outer joins on the same table. How to do this. please help.

select from table A, table B, table C
where   A.Col1     =  B.Col1 (+)
and     B.Col2 (+) = C.Col2 

...

B.Col1 has no value in A.Col1 and B.Col2 has no corresponding value in C.Col2

Thanks