Solution code: Going left to right, top to bottom, list the digits in the middle three rows.
on 24. August 2020, 01:18 by psams
Not too hard once you focus on the givens that are most constrained by the geometry. Enjoyed it, thanks!
on 23. August 2020, 07:18 by bosjo
Obviously the tiling part is tricky; I suddenly managed to find a working pattern, did some sudoku, and in the very final moment remembered one of the rules I had so far not used. There probably is a logical way of doing it, but I must confess I found the solution more by luck than anything else.
on 21. August 2020, 01:45 by purple people eater
The rules description was updated for clarification.
on 21. August 2020, 01:40 by purple people eater
It includes numbers filled into the cells.
on 20. August 2020, 19:52 by boredduck
When you say "The numbers in the highlighted boxes indicate the shape of the region that the colored square is part of", does that only refer to the given numbers? Or does that include numbers that are filled into those cells?