Candy Center

Title: Candy Center

Rating: 4/5

 

One of the earliest puzzles of any type that I created, this happens also be one of the hardest.  Enjoy the treat.

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.