Edge Sums
Solve online in F-Puzzles (thanks Narayana!)
Place the digits from 1 tot 9 in every row, column and 3x3-block. Numbers outside the grid are the sum of the first two digits from that direction.
Solution code: Column 4, followed by column 6.
on 11. November 2022, 01:16 by Piatato
Super smooth solve!
on 23. November 2021, 20:01 by Richard
Added link for online solving. Thx Narayana!
on 24. January 2021, 01:00 by Narayana
Here is an improved f-puzzles link:
https://f-puzzles.com/?id=y2r5d4uj
Replaced black borders by blue cosmetic borders. No need to turn off conflicts.
on 16. November 2020, 15:02 by Nick Smirnov
f-puzzles link:
https://f-puzzles.com/?id=y2pc66cp
on 25. May 2016, 10:53 by ohm0123
It's hard. But funny. Edge⇒center. Also I think a lettle killer sudoku. thanks.
on 14. October 2014, 17:13 by RobertBe
Einverstanden, ein sehr schöner Einstieg!
on 3. June 2014, 12:53 by Statistica
Sehr schöner Einstieg!
on 3. June 2014, 06:13 by Richard
The 8-clue top left was 1 cell too high. Corrected it now with a new version of the image.
on 3. June 2014, 03:00 by Rollo
Richard, da ist ein Wurm drin, bitte prüfe die Vorgaben.
on 3. June 2014, 01:47 by Senior
Ich stehe vor einem Rätsel ...