23 September 2015

Turn of the Screw

Title: Turn of the Screw
Rating: 2/5

The title of this product puzzle is belies its difficulty.  Instead it hints at the more challenging nature of some puzzles in the weeks ahead.

The official rules:

  • The digits 1 through 9 appear in each row and each column exactly once.
  • Digits in each shaded region must multiply to the indicated product.   
  • Squares with multiple colors contain a number that’s used in the product for adjacent regions of each of those colors.  
  • Remember: numbers can repeat within a shaded region if that doesn't violate the first rule. 

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