Thermo-Sudoku by Akash Doulani
or solve online (using our beta test of Penpa-Edit tools)
Theme: Sun Rays
Author/Opus: This is the 7th puzzle from guest contributor Akash Doulani.
Rules: Standard Thermo-Sudoku rules.
Difficulty: 3.5 stars
Time Standards (highlight to view): Grandmaster = 4:45, Master = 8:30, Expert = 17:00
Solution: PDF; a solution video is also available here.
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.