When some sudoku digits matter, and others anti-matter.
84My solve of "Intro to Black Holes, Part I" by heliopolix. A Sudoku using the Black Holes, White Holes, Killer and a Sandwich Variant constraint.
Solve in Sven's SudokuPad WebApp: https://tinyurl.com/42jus4jf
📋 Puzzle Rules:
• Normal Sudoku rules apply.
• Place 9 "black holes" in the grid, one in each row, column, and box, each with different digits. Place 9 "white holes" in the grid with the same rules. Put black and white holes in different cells.
• Given digits may be black or white holes (or not).
• Black holes have zero value and white holes have double value.
• Standard killer cage rules. Digits don't repeat in a cage (but values can).
• Any cage must have the same number of black and white holes (it can have zero holes).
• Hole sandwiches. Sandwich clues sum the digits between black and white holes (not between the digits 1 and 9).
🧩 🧩 Modular Dutch Workshop Puzzle Pack 🧩 🧩
Download the Modular Dutch Workshop puzzle pack by rockratzero from the following link.
https://tiny.one/rrz-MDWPack
Check out how you can submit solution codes to contribute to Cancer Research in the following community post: https://www.youtube.com/post/UgkxmjkpeeNB4smB2W4wtYfOfm8JPtnr2thc
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