XV Sudoku

  • Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
  • Adjacent cells with digits summing to 5 are marked by V, while those summing to 10 are marked by X. Not all possible V and X are marked.

    • XV Sudoku

    Sudokus that no one can solve

    Sudokus that no one can solve, not only including Sudokus which are very difficult but also those that no one has tried to solve.

     

    7 November 2025
    XV Sudoku 7 November 2025
    7 November 2025

     

    7 November 2025
    XV Sudoku 7 November 2025
    7 November 2025

     

    11 November 2025
    XV Sudoku 11 November 2025
    11 November 2025

     

    26 November 2025
    XV Sudoku 26 November 2025
    26 November 2025

     

    30 November 2025
    XV Sudoku 30 November 2025
    30 November 2025

     

    5 December 2025
    XV Sudoku 5 December 2025
    5 December 2025

     

    6 December 2025
    XV Sudoku 6 December 2025
    6 December 2025

     

    19 December 2025
    XV Sudoku 19 December 2025
    19 December 2025

     

    28 December 2025
    XV Sudoku 28 December 2025
    28 December 2025

     

    29 December 2025
    XV Sudoku 29 December 2025
    29 December 2025

     

    29 December 2025
    XV Sudoku 29 December 2025
    29 December 2025

     

    5 January 2026
    XV Sudoku 5 January 2026
    5 January 2026

     

    9 January 2026
    XV Sudoku 9 January 2026
    9 January 2026

     

    10 January 2026
    XV Sudoku 10 January 2026
    10 January 2026

     

    14 January 2026
    XV Sudoku 14 January 2026
    14 January 2026

     

    20 January 2026
    XV Sudoku 20 January 2026
    20 January 2026

     

    29 January 2026
    XV Sudoku 29 January 2026
    29 January 2026

     

    9 February 2026
    XV Sudoku 9 February 2026
    9 February 2026

     

    9 February 2026
    XV Sudoku 9 February 2026
    9 February 2026

     

    9 February 2026
    XV Sudoku 9 February 2026
    9 February 2026

     

    9 February 2026
    XV Sudoku 9 February 2026
    9 February 2026

     

    9 February 2026
    XV Sudoku 9 February 2026
    9 February 2026

     

    18 February 2026
    XV Sudoku 18 February 2026
    18 February 2026

     

    24 February 2026
    XV Sudoku 24 February 2026
    24 February 2026

     

    25 February 2026
    XV Sudoku 25 February 2026
    25 February 2026

     

    2 March 2026
    XV Sudoku 2 March 2026
    2 March 2026

     

    2 March 2026
    XV Sudoku 2 March 2026
    2 March 2026

     

    3 March 2026
    XV Sudoku 3 March 2026
    3 March 2026

     

    8 March 2026
    XV Sudoku 8 March 2026
    8 March 2026

     

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