Unfriendly Neighbours
Rules: Normal Sudoku rules apply. Renban - Numbers on purple lines form a consecutive, non-repeating set of digits. Nonconsecutive - Orthogonally adjacent cells must not contain consecutive numbers.
Play here:
f-puzzles - https://f-puzzles.com/?id=2du4wkgv
ctc app - https://tinyurl.com/5n8k8pp6
Solution code: row 7 then column 7 no delimiters.
on 6. May 2023, 05:52 by Flycatcher
Simple rules, a clean grid, and beautiful symmetry. The neighbors might be unfriendly, but they live in a wonderful puzzle!