or solve online (using our beta test of Penpa-Edit tools)
Theme: Floating 74’s
Author/Opus: This is the 69th puzzle from our contributing puzzlemaster John Bulten.
Rules: Standard Thermo-Sudoku rules.
Difficulty: 3 stars
Time Standards (highlight to view): Grandmaster = 4:00, Master = 5:00, Expert = 10:00
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 and Masterpiece Sudoku Mix 2.