Thasnk for the input guess there really is no way 
to tell.  Beginning cels A1 are key and end cels 
have that E at the end of them are always key. I 
have seen cels in the middle of a seq be key cels 
as I own a few. guess there really is no way to 
know. oh well thank you all for all th einfo you 
ahve provided to me . 
interested