1~9
Solve online in F-Puzzles (thanks jchan18!)
Place the digits from 1 tot 9 in every row, column and 3x3-block. Numbers outside the grid are the sum of the digit(s) placed between 1 and 9 in the corresponding row or column. (A zero outside the grid means that 1 and 9 are placed next to each other.)
Solution code: Column 1, followed by column 9.
on 4. September 2023, 19:15 by cascadeshiker
Very nice. Thanks. My first time doing this kind of puzzle.
on 23. November 2021, 20:08 by Richard
Nowadays this sudoku type is named Sandwich Sudoku, but in 2014 it was still 1~9. :-)
on 23. November 2021, 20:07 by Richard
Added link for online solving. Thx jchan18!
on 6. November 2020, 03:34 by jchan18
https://f-puzzles.com/?id=y2xdpfej
on 28. May 2016, 14:26 by ohm0123
Thank you. Richard.
on 12. July 2014, 11:14 by Richard
Thanks to Joo M.Y I fixed a typo that was in fact a bad example of copy-paste. :-)
Thx!
on 12. July 2014, 10:54 by Joo M.Y
I found typo in this post. (English version only) Where?
on 24. June 2014, 15:37 by Rollo
Ganz klasse, geht schön durch!
on 24. June 2014, 01:28 by Senior
Das hat Spaß gemacht. Danke für die schöne Serie!