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Nine Ball Sudoku is a new variant in which the sudoku field contains colored cells in the form of a ball. The numbers that must be entered in the colored cells are related to the number 9. Hence the name Nine Ball Sudoku.
We will systematically go over the rules for this new variant:
TIP: if the explanation is not entirely clear, than study the solution of the 1st puzzle thoroughly.
SOLVING NINE BALL 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. |
ROW 2: | in ROW 2 on top of the grid you will find the missing digits for each column. |
COLUMN 2: | In COLUMN 2 at the left of the grid you will find the missing digits for that row. |
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 NINE BALL 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. |