Here's a list of all the posts so far on Sudoku solution tips. Each one builds on the ideas of the previous entries.
- Introduction to Sudoku
- Process of Elimination
- The Unbearable Uniquness of Sudoku
- Unique x 20
- Going Pair-Shaped
- Triple Play
- Interlocking Triples
- Looking Inward
- Where do Sudoku Boards Come From?
- Two and Three in a Bed
- The Password is... Swordfish!
There are also some blank Sudoku grids for your printing pleasure.