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7 (7, 4) - Coggle Diagram

- - - - 4
        
        4
    - - 7
        
        4
      - 4
        
        7
  - - - 4
        
        4
- - - - 4
        
        4
    - - 7
        
        4
      - 4
        
        7
  - - - 7
        
        4
      - 4
        
        7
    - - 7
        
        7