TomTom (Mystery) by Thomas Snyder
or solve online (using our beta test of Penpa-Edit tools)
Theme: 400 Posts
Author/Opus: This is the 400th puzzle from Thomas Snyder, aka Dr. Sudoku.
Rules: Standard TomTom rules, except the digit set is unknown. This puzzle uses 8 distinct non−negative integers.
Difficulty: 5 stars
Time Standards (highlight to view): Grandmaster = 10:30, Master = 20:30, Expert = 41:00
Solution: PDF; a solution video is also available here. A video telling the story of how this puzzle was constructed by Thomas is here.
Note: Follow this link for classic TomTom and this link for TomTom variations. If you are new to this puzzle type, here are our easiest TomTom to get started on. More TomTom puzzles can be found in the TomTom collection, in The Art of Puzzles, and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.