On the 21 day of Christmas, my true love gave to me:
Kendoku Kris Kringle
How to play Kendoku
Santa needs you to fill the grid so that every column and every row contains the digits 1 up to the largest number (which always equals the number of cells per row). The numbers in each bold set of squares, called cages, must be combined in any order using the mathematical operation indicated and as a result thereof leading to the target number in the top left corner. Within a cage a number can be repeated as long as it is not in the same row or column.
