Longest Spreadsheet?

Can anyone beat this?   I'm working on a spreadsheet that is 41.2 metres long (almost the length of an Olympic size pool).  

My math: View screen at 100% (actual?) - each row is abt half a centimetre.   Total rows 8255 (these are mainly formulae and values derived from even more formulae).   8255/2/100cm= 41.2 metres!  File size? 4.7Mb.  That just covers the length - the width I cannot really determine  since column widths vary (but extend to BF).   Feel free to calculate the width :-)