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  2. Mathematics of Sudoku - Wikipedia

    en.wikipedia.org/wiki/Mathematics_of_Sudoku

    A Sudoku whose regions are not (necessarily) square or rectangular is known as a Jigsaw Sudoku. In particular, an N × N square where N is prime can only be tiled with irregular N -ominoes . For small values of N the number of ways to tile the square (excluding symmetries) has been computed (sequence A172477 in the OEIS ). [ 10 ]

  3. Hidato - Wikipedia

    en.wikipedia.org/wiki/Hidato

    Numbrix puzzles, which appear in Parade magazine, are similar to Hidato except diagonal moves are not allowed. [9] (vos Savant has only used 7×7 and 9×9 grids). [10]Jadium puzzles (formerly Snakepit puzzles), created by Jeff Marchant, are a more difficult version of Numbrix with fewer given numbers and have appeared on the Parade web site regularly since 2014, along with a daily online ...

  4. Sudoku - Wikipedia

    en.wikipedia.org/wiki/Sudoku

    The world's first live TV Sudoku show, held on July 1, 2005, Sky One. The world's first live TV Sudoku show, Sudoku Live, was a puzzle contest first broadcast on July 1, 2005, on the British pay-television channel Sky One. It was presented by Carol Vorderman. Nine teams of nine players (with one celebrity in each team) representing geographical ...

  5. What is sudoku? Here's how to play the math puzzle and ... - AOL

    www.aol.com/news/sudoku-play-math-puzzle-solving...

    Try Sudoku. The logic puzzle has simple rules, and is easy to learn. Worked out your body enough and want to move on to your brain? Try Sudoku. The logic puzzle has simple rules, and is easy to learn.

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  7. Play Daily Sudoku Online for Free - AOL.com

    www.aol.com/games/play/i-play/daily-sudoku

    Come back every day for a fresh new Sudoku puzzle! Come back every day for a fresh new Sudoku puzzle! ... Play. Masque Publishing. Arkadium Codeword. Play. Masque Publishing. AstraLume. Play.

  8. Sudoku code - Wikipedia

    en.wikipedia.org/wiki/Sudoku_code

    Diagonal regions instead of square sub-grids can be used for performance investigations. [2] The diagonal sudoku has the advantage, that its size can be chosen more freely. Due to the sub-grid structure normal sudokus can only be of size n², diagonal sudokus have valid solutions for all odd . [2] Sudoku codes are non-linear.

  9. Play Sudoku Online for Free - AOL.com

    www.aol.com/games/play/arkadium/sudoku

    Put on your Sudoku hat and get ready for a challenging Sudoku puzzle!