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SUDOKU PUZZLES 9X9

HOW TO PLAY SUDOKU FAST

  • Learn the basic techniques and practice sudoku for beginners.
  • Try to increase the solving speed.
  • Learn advanced methods and strategies.
  • Switch to difficult sudoku and try to solve it faster and faster.
  • Work systematically and combine learning tips and tricks.
suguru puzzle   tectonic puzzel

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1
2                  
3                  
4                  
5                  
6                  
7                  
8                  
9                  
    L    P          


SOLVING CLASSIC SUDOKU
CHOOSE PUZZLE: LEV: choose a level of difficulty. Between brackets is the number of puzzles per level.
PUZ: enter the puzzle number of your choice.
START: choose this to load the puzzle.
ROW: In front of every ROW you will find the missing digits for that row.
COLUMN: Above every COLUMN you will find the missing digits for that column.
BOXES (1-9): At the top left are 9 boxes with the missing digits of the 9 subgrids.
NUMBER OF DIGITS: At the top you can see how often a number has already been entered and where.
If you have more than 1 digit in a cell and you click on this button, then the numbers in the active cell will be underlined. You can use this to indicate that you have entered all the candidates of that cell.

CLASSIC SUDOKU
ENTERING DIGIT(S): On the left, cells in white color, choose the digit(s) you want to enter and then click on the sudoku cell of your choice. Choose a digit and the empty cell below digit 9 if you want to place 1 digit in small size.
BUTTON ✓: Choose ✓ button to check the puzzle. All the correct numbers turn GREEN just like the initial numbers and now can not be changed anymore.
BUTTON SOL: Click on the SOL button to display the puzzle solution.