Author/Opus: This is the 366th puzzle from Thomas Snyder, aka Dr. Sudoku.
Rules: Standard Thermo-Sudoku rules.
Difficulty: 4 stars
Time Standards (highlight to view): Grandmaster = 6:15, Master = 10:00, Expert = 20:00
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.