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You can go to Mystery Sudoku Techniques to find a step by step solution and explaination of a mystery sudoku.
The Mystery Sudoku is my latest creation. Just like a sum frame sudoku, there are SUM NUMBERS in the border.
One of the 9 digits (eg 2) is the mystery digit. What do we know about this digit?
TIP: if the explanation is not entirely clear, than study the solution of the 1st puzzle thoroughly.
SOLVING MYSTERY SUDOKU | |
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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. |
COLOR CELL: | Click on a cell to color it yellow or back to white. You can use this to point out the cells that contain the mystery digit. |
ROW: | In front of every SUM you will find the missing digits for that row. |
COLUMN: | Above every SUM 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. |
PLAY BETWEEN 1 & 9 SUDOKU | |
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ENTERING DIGITS: | On the left, in the first column, choose the digit(s) you want to enter and then click on the sudoku cell of your choice. You can enter 1 or more digits. Choose one digit and click on the empty cell (=bottom left corner) to place one 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. |