Rules: Apply classic Sudoku rules. Numbers outside the grid indicate the sum of the first X digits in the corresponding direction. X is the first digit in the corresponding direction.
Solution code: Column 1, Row 9
on 4. August 2020, 14:08 by glum_hippo
f-puzzles link https://f-puzzles.com/?id=y2cmtdfj (Da steht 'Sandwich Sudoku', aber das kann man ignorieren. Auch kann man übers 'Settings'-Menü die Option 'Highlight Conflicts' ausschalten, damit der Computer nicht durch rote Schattierung auf schlechte Sandwich-Summen hinweist!)
on 15. March 2020, 10:39 by ibag
Na, dann hoffen wir mal dass du auch den Tau-Day fest im Blick behältst. ;-)
on 14. March 2020, 21:31 by Feadoor
On at least two occasions I thought that the puzzle couldn't possibly be unique. I am very happy to be proved wrong, and by such an elegant solution path!
on 14. March 2020, 18:54 by Nylimb
Nicely done!