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Problem

Place one of four characters     -  |  /  \    in each of the sixteen text boxes so that no character appears more than once in any row, any column, or any of two main diagonals.

Type these characters in the text boxes and press the Submit button. All other keyboard characters will be rejected.

 

  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  

 

The idea of this puzzle is from the book '1000 Play Thinks' by Ivan Moscovich. Workman Publishing, New York.

Click here to return to the puzzle page

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