Sorry but I could not make the dump file. But I made a .sql file for you
It should also work with typed text instead of numbers. Both ways.
Let me ask the Prof but knowing him I think is the way that I understood his statement. I let you tomorrow.
Thanks I will play around with it and let you know if I have any questions. Indeed, he wanted the way that I thought. He loves to make unclear statements wants you to figure out. See his comments on the screenshot that I took .