This question was posted a couple of days ago.
I think it is really interesting. It looks much more difficult than it really needs to be.
I know we have some very enthusiastic young people who are active on the forum at present.
Maybe you would like to take a look.
Try do do it yourself before you look at the answers.
You may need to think about it for a while befor the light in your brain comes on.
If you want to discuss it or ask about anwers already provided feel free to do so on the original thread.
I will unlokc it.
Maybe leave a note here to say that you have done so. Just in case your comment is not noticed.
HAVE FUN !