Variant Lesson: Thermos
(Published on 14. December 2025, 01:27 by Deckatron)
Place 6 unique digits (from 1-9) into the grid such that each digit appears 6 times and any given digit does not repeat in any row, column or 2x3 box. Which 6 digits to use must be determined.
Thermometer: Digits along a thermometer strictly increase from the bulb.
Black Kropki Dot: On a black kropki dot, one of the digits is doulbe the other. Not all such possible dots are given.
This is puzzle number 3 of a series I am making to get Sudoku players into Variant Puzzles. These are designed to be an introduction into the many common concepts in variant sudoku
Thermometer: Digits along a thermometer strictly increase from the bulb.
Black Kropki Dot: On a black kropki dot, one of the digits is doulbe the other. Not all such possible dots are given.
Puzzle 1: German Whispers
Puzzle 2: Killer Cages
Solution code: Row 2, left to right, no spaces
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