or solve online (using our beta test of Penpa-Edit tools)
Theme: Warm Up for 2022
Author/Opus: This is the 5th puzzle from guest contributor R. Kumaresan.
Rules: Standard Thermo-Sudoku rules.
Difficulty: 3.5 stars
Time Standards (highlight to view): Grandmaster = 5:15, Master = 7:15, Expert = 14:30
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 and Masterpiece Sudoku Mix 2.