"One of the best Sudokus of the Year"
137My solve of "10 (Types of) Lines" by Math Pesto. A Sudoku using the Quadruples constraint and 10 Types of Line constraints.
Solve in Sven's SudokuPad WebApp: https://tinyurl.com/46a7kas6
The rules for the individual line types are listed in the puzzle and the video description.
📋 Puzzle Rules:
• Normal Sudoku rules apply.
• Digits in a Quadruple circle must be placed at least once in the four cells touching that circle.
From left to right, top to bottom, the following lines have the following properties:
• Whisper (GW): Adjacent digits differ by 5 or more.
• Thermo (TH): Digits strictly increase from the bulb to the end.
• Renban (RB): The line contains a set of consecutive digits in any order.
• Between (BL): Digits on the line are between the values in the circled ends.
• Sum (SUM): Digits on the line have the same sum in each box the line is in.
• 10 Line (TEN): The line consists of one or more contiguous groups of cells, each of which sums to 10. Groups cannot overlap.
• Nabner (NAB): No two digits anywhere on the line may be consecutive.
• Parity (PAR): Adjacent digits alternate between odd/even parity.
• Modular (MOD): Every set of three sequential digits contains one digit from {1,4,7}, one from {2,5,8}, and one from {3,6,9}.
• Entropic (ENT): Every set of three sequential digits contains one digit from {1,2,3}, one from {4,5,6}, and one from {7,8,9}.
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