Rules:
Place the digits 1-9 once each into every row, column, and box.
Digits in a cage do not repeat and sum to the given total.
Digits on a line do not repeat and sum to the given total.
Have fun solving!
Lösungscode: Row 7
Heute, 01:24 Uhr von jmw
I think this deserves four stars for difficulty. Quite hard to spot the (very clever) bit of geometry that unlocks it, but not too tricky once you've found that.