Edge Differences
Solve online in F-Puzzles (thx bbutrosghali!)
Apply classic sudoku rules. Additionally, clues outside the grid indicate the difference between the first and the last digit in the corresponding row or column.
Solution code: Row 4, followed by column 4.
on 14. July 2022, 11:42 by Richard
Added link and tag for online solving. Thx bbutrosghali!
on 22. July 2021, 01:48 by Nick Smirnov
Figured it out myself. The order of the first and the last digit in a row or column doesn't matter for a difference clue.
on 21. July 2021, 02:06 by Nick Smirnov
@Richard, I don't quite get the difference rule. Does the first digit in a row have to be greater than the last digit in this row, or are we dealing with absolute values here?
on 31. March 2021, 09:18 by bbutrosghali
https://f-puzzles.com/?id=yhu2x26r
on 1. September 2016, 12:52 by ohm0123
Cool.
on 24. July 2016, 13:15 by Saskia
:-)