Dr. Sudoku Prescribes #111 – Shape Sudoku
or solve online (using our beta test of Penpa-Edit tools; use tab to alternate between Sudoku number entry mode and a shading mode to manage the shape inventory.)
This is a “Franken-Friday” puzzle variation.
Theme: Plus Signs
Rules: Standard Shape Sudoku rules.
Answer String: Enter the 9th row from left to right, followed by a comma, followed by the 4th column from top to bottom.
Time Standards (highlight to view): Grandmaster = 7:00, Master = 15:00, Expert = 30:00
Solution: PDF
This one was HARD. Didn’t explicitly timed myself, but it definitely took over 15 minutes. I really like how the shapes interact with each other and with the givens, though.
Nice logic.12:52 mins!