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Click anywhere on the puzzle to begin. Use the arrow keys or the mouse to move around. Use the number keys to add/remove numbers. Hold Shift or drag the mouse to highlight multiple cells. Other keyboard shortcuts:

  • C - Clear
  • F - Fill
  • H - How am I doing?
  • P - Toggle note/pencil mark
  • Q - Question mark
  • U - Underline
  • Arrow keys - Move cursor
  • Number keys - Toggle numbers
  • Shift - Multi-cell selection
  • Backspace - Undo

Puzzle 183 Feb 28 February 2009 Difficulty 10

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Daily Killer Sudoku