A KAKURO puzzle is constructed on a crossword grid just like a standard crossword, but the digits 1 to 9 are used instead of the letters of the alphabet. In a Kakuro cross products puzzle, the Across and Down clues are simply the multiplication of the digits in the across and down words.
The rules of Kakuro are simple:
1. Each cell can contain numbers from 1 through 9
2. The clues in the grey cells tell the multiplication of the...