In sudoku puzzles you must complete the grid such that each row, each column and each 3x3 box contains the digits 1 to 9. There is no arithmetic involved: the solution can be found using logic and ...
A Sudoku is a puzzle involving a 9x9 grid into which the numbers one to nine must be placed. The catch is that each row, column and 3x3 box has to contain each of the numbers one to nine once ...
A Sudoku is a puzzle involving a 9x9 grid into which the numbers one to nine must be placed. The catch is that each row, column and 3x3 box has to contain each of the numbers one to nine once ...