Sudoku Articles: Understanding Chains W wings are cool! Deadly Rectangles Skyscrapers, Two String Kites, and Turbot Fish The Empty Rectangle Strategy Brute Force (vb.net)	Basic Techniques: Singles: naked Singles: hidden Doubles: naked Doubles: hidden Triples: naked Triples: hidden Quads: naked Quads: hidden Locked candidates Naked vs Hidden techniques                                                       Uniqueness Tests  (???) Unique Corner Unique Side Hidden Rectangle BUG	Fish X-Wing Swordfish Jellyfish Squirmbag Finned Fish Finned Fish (finned X-Wing) Finned Swordfish Finned Jellyfish                                                          Other XYZ-Wing X-Loop Empty Rectangle (or Hinge)	Chains XY-Wing W-Wing X-Chain XY-Chain Skyscraper 2 String Kite Turbot Fish Colors (Conjugate Pair Coloring) Remote Pair
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