Your count seems to be completely out of sync with 
 -- the stable version of HtDP/2e ( 
http://www.ccs.neu.edu/home/matthias/HtDP2e/htdp2e-part1.html look for 
'exercise 56' )
 -- the draft version of HtDP/2e ( 
http://www.ccs.neu.edu/home/matthias/HtDP2e/Draft/htdp2e-part1.html , ditto )

Can you re-adjust and ask the question again (in public) -- Matthias



On Jun 26, 2012, at 9:39 AM, Roelof Wobben wrote:

> Hello,
> 
> Sorry for so many questions but i get again confused.
> 
> Is it correct that on exercise 56 of How to design Programms I have to make 2 
> gauges and two animals.
> And is exercise 57 part 1 not the same as exercise 56 ?
> 
> Regards,
> 
> Roelof
> 
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