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'LOGO Challenge - Recollection' printed from https://nrich.maths.org/
There are several things you can do to help yourself:
Breaking the procedures down stepwise (rather than into smaller
peices)
What does the first line do?
And the second?...
What are the variables doing?
How could you test this out?
Remember, changing more than one variable at a time is
probablynot going to be very helpful.