Quadruple 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.
  • Each set of four digits in the intersection of two lines indicates the digits that have to be placed in the four adjacent cells.

    • Quadruple sudoku

    Sudokus that no one can solve

    Sudokus that no one can solve, not only including Sodukus which is very difficult but also that no one trying to solve it.

     

    日本語 | 中文 | English

    数独 | Cool Sudoku | 数独 | Sudoku Puzzle | 賢くなるパズル

    © sudoku.today All rights reserved 2019-2024