Thermo-Sudoku by Thomas Snyder

[This is a repost from our archives with new notes at the top (original post here): Taking the thermometer shapes to an extreme, “clueless” puzzles like this one are often some of the most interesting Thermo-Sudoku puzzles and require carefully considering the interplay of shapes and digit ranges. Our first week of Thermo-Sudoku puzzles ended with this “Boxed In” challenge with 5 main thermo shapes and no given numbers.]

Thermo-Sudoku by Thomas Snyder


or solve online (using our beta test of Penpa-Edit tools)

Theme: Boxed In

Rules: Standard Thermo-Sudoku rules.

Estimated Difficulty*: 3.5 stars

Time Standards (highlight to view): Grandmaster = 5:00, Master = 9:00, Expert = 18:00

Solution: PDF and solving video.

Note: Follow this link for other Tight Fit Sudoku puzzles on this website. If you are new to this puzzle type, here are our easiest Tight Fit Sudoku to get started on. More Tight Fit Sudoku can be found in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli and in Masterpiece Sudoku Mix 2.

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