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MAGIC NUMBER, Similarities, Differences - Coggle Diagram

- - - - 1 & 16, 2 & 15, 3 & 14, etc.
- - - - 4×4 magic square
      - 2×2 magic square
- - - - Start at top centre
      - Move up-right
      - If cell occupied, move down one
  - - - Very easy to construct
      - Perfect symmetry
      - Always solvable with a simple algorithm
- - - - Replace numbers in selected positions with (n² + 1 – number)
      - Replace numbers in selected positions with (n² + 1 – number)
    - - Highly symmetrical
        
        Easy to construct compared to 6×6
        
        Works with block inversion rules