Dr. Sudoku Prescribes #127 – Thermo-Sudoku
or solve online (using our beta test of Penpa-Edit tools)
Theme: 4x4x4 (Note: this sudoku also appeared on the recent Indian Sudoku Championship).
Rules: Standard Thermo-Sudoku rules. Range is 1-9.
Answer String: Enter the 5th row from left to right, followed by a comma, followed by the 5th column from top to bottom.
Time Standards (highlight to view): Grandmaster = 3:00, Master = 4:00, Expert = 8:00
Note: Follow this link for more Thermo-Sudoku puzzles. If you are new to this puzzle type, here are our easiest Thermo-Sudoku to get started on. More Thermo-Sudoku puzzles can be found in The Art of Sudoku 2.