Title: Turn of the Screw
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.