Vier Som Sudoku

  • Plaats de cijfers 1 tot 9 in elk leeg vakje, zodat elk cijfer precies één keer voorkomt in elke rij, elke kolom en elk van de 9 3x3 regio's.
  • Een van de cijfers in de vier cellen rondom de stip is de som van de andere drie cijfers.

    • Vier Som Sudoku

    Sudoku's die niemand kan oplossen

    Sudoku's die niemand kan oplossen, niet alleen de zeer moeilijke, maar ook diegene die nog niemand heeft geprobeerd op te lossen.

     

    27 October 2025
    Quad Sums Sudoku 27 October 2025
    27 October 2025

     

    28 October 2025
    Quad Sums Sudoku 28 October 2025
    28 October 2025

     

    31 October 2025
    Quad Sums Sudoku 31 October 2025
    31 October 2025

     

    13 November 2025
    Quad Sums Sudoku 13 November 2025
    13 November 2025

     

    13 November 2025
    Quad Sums Sudoku 13 November 2025
    13 November 2025

     

    19 November 2025
    Quad Sums Sudoku 19 November 2025
    19 November 2025

     

    21 November 2025
    Quad Sums Sudoku 21 November 2025
    21 November 2025

     

    03 December 2025
    Quad Sums Sudoku 03 December 2025
    03 December 2025

     

    04 December 2025
    Quad Sums Sudoku 04 December 2025
    04 December 2025

     

    04 January 2026
    Quad Sums Sudoku 04 January 2026
    04 January 2026

     

    10 January 2026
    Quad Sums Sudoku 10 January 2026
    10 January 2026

     

    13 January 2026
    Quad Sums Sudoku 13 January 2026
    13 January 2026

     

    13 January 2026
    Quad Sums Sudoku 13 January 2026
    13 January 2026

     

    03 February 2026
    Quad Sums Sudoku 03 February 2026
    03 February 2026

     

    07 February 2026
    Quad Sums Sudoku 07 February 2026
    07 February 2026

     

    16 February 2026
    Quad Sums Sudoku 16 February 2026
    16 February 2026

     

    17 February 2026
    Quad Sums Sudoku 17 February 2026
    17 February 2026

     

    08 March 2026
    Quad Sums Sudoku 08 March 2026
    08 March 2026

     

    08 March 2026
    Quad Sums Sudoku 08 March 2026
    08 March 2026

     

    09 March 2026
    Quad Sums Sudoku 09 March 2026
    09 March 2026

     

    15 March 2026
    Quad Sums Sudoku 15 March 2026
    15 March 2026

     

    19 March 2026
    Quad Sums Sudoku 19 March 2026
    19 March 2026

     

    22 March 2026
    Quad Sums Sudoku 22 March 2026
    22 March 2026

     

    27 March 2026
    Quad Sums Sudoku 27 March 2026
    27 March 2026

     

    02 April 2026
    Quad Sums Sudoku 02 April 2026
    02 April 2026

     

    06 April 2026
    Quad Sums Sudoku 06 April 2026
    06 April 2026

     

    12 April 2026
    Quad Sums Sudoku 12 April 2026
    12 April 2026

     

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