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Auto Update Command
  
 
  
  
  Use this command to turn on and off the automatic updating (Auto Update) of candidates.

  When Auto Update is turned on, it means that whenever you add a value in solve mode, Sudoku Snake will automatically erase all of the corresponding candidates from that cell's row, column and box. Similarly, if you delete a value, Sudoku Snake will add in the appropriate corresponding candidates in the row, column and box.

  Note that when the candidates are added in, they are only added in the places where they are not directly restricted. Thus, if you remove a candidate using an advanced technique, that candidate may be added back in with Auto-Update.

  
  
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