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SUBMIT YOUR IDEAGot a different but still valid solution for advanced challenge using python to solve
Here's my solution for beginner, intermediate, and advanced.
Solved the beginner and intermediate here. I think the macro is a good start towards the advanced but I'm going to come back and treat myself once I'm finished with all the challenges
Edit: Couldn't stop thinking about sudokus so went away and did the advanced. Very happy to get this one done