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Sudoku On The Web
Links
On Your Web Site
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Standard Sudoku puzzles use the numbers 1 to 9.
However, there isn't any particular significance to the numbers,
other than that each number can be readily distinguished from
the others.
Thus, Sudokus can be devised using any set of nine distinguishable
symbols - for example, the letters A through I, or nine different colors,
or nine different animal pictures, etc.
Using pictures/symbols/colors/letters instead of numbers for the contents of
the cells, merely affects the visual appearance, but
doesn't actually alter the underlying puzzle at all. What's more,
if you're using pen-and-paper, it's usually more awkward to try to draw
in strange symbols (not to mention colors) than simply using the numbers.
For kids however, visual appearances can matter immensely.
For example,
Do You Sudoku? for Kids
uses animals instead of numbers (as well as using a
smaller grid size) - which
the kid fills in by applying colorful stickers.
  | Click here for details | The number puzzle that's been rocketed to a worldwide craze now comes in a form great for younger minds! Do You Sudoku? For kids uses six animal symbols on a grid composed of six 3x2 boxes. Great for discovering patterns and developing logical thinking skills! Ages 6 and up.
Click here for full description |
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2: Different Symbols