Sudoku 129 Better -

To truly get better at difficult #129 puzzles, you must learn to spot "fish" and "wing" patterns:

Download a Sudoku app with a coloring feature (like Sudoku 10000+ or Enjoy Sudoku ). Solve 5 "Diabolical" puzzles using only 3D Medusa as your first advanced technique. Do not use X-Wings or Skyscrapers. Force yourself to become fluent in color logic. sudoku 129 better