Primary Window
Prime Sum Windoku
Rules:
Normal sudoku rules apply
Digits cannot repeat in a cage
In each box, all 4 caged cells must sum to a prime number. Box 5 is exempt from this rule
Have a go!
Lösungscode: Row 4 + 6, no spaces
am 8. April 2021, 20:14 Uhr von jovi_al
Great puzzle! <3
am 7. April 2021, 07:16 Uhr von Tyrgannus
Revised difficulty to 3
am 7. April 2021, 02:32 Uhr von cdwg2000
Very good, the rule may need to explain one: the sum of the four cells of each 3*3 area belonging to the window is a prime number, but the fifth 3*3 area is exempt. I think the difficulty is not more than 3 stars. Thank you!