04 June 2014


Title: Dreamcatcher
Rating: 3/5

sum puzzle

This puzzle evolved out of wanting to experiment with more than just rectangles/squares to denote regions.  The creation of the layout was challenging enough that future experimentation went in different directions.

The official rules:

  • The digits 1 through 9 appear in each row and each column exactly once.
  • Digits in each shaded region must add to the indicated sum.   
  • Squares with multiple colors contain a number that’s used in the sum 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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