Tuesday, February 26, 2008

Logic9 (Sudoku)

I have updated the puzzles in my Logic9 website, i.e.

The new website has the following featues:

1. More puzzles at each of 4 levels
2. All the puzzles have a unique solution and can be solved logically
3. You can work at "very easy" level and move up to "difficult" level
4. You can select the same puzzle to practice and build up your capability
5. You can choose other symbols, such as "flowers" to train your right brain.

Try it

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