Sudoku rules

Puzzle sudoku represents a grid with dimensions of 9x9. Puzzler fills in the blank squares with numbers from 1 to 9 in a way that each number appears only once in:

  • each row
  • each column
  • each 3x3 square
Rules of sudoku

The task is to fill in all the blank squares according to the rules mentioned above as quickly as possible.

Further information