Sum Switch Lines (ft. Nordy)
(Published on 3. August 2024, 01:38 by yttrio)
This puzzle is the latest collaboration between myself and Nordy.
Rules:
Normal Sudoku rules apply: place the digits 1-9 in every row, column, and 3x3 box.
All lines are Region Sum Lines: 3x3 box borders divide each line into segments with the same sum. Different lines may have different sums.
Additionally, every line segment within a 3x3 box has a secondary line type: either German Whispers or Renban.
-- German Whispers: adjacent digits along the line must have a difference of at least 5.
-- Renban: the line consists of a set of non-repeating consecutive digits in any order.
Every time a line crosses a 3x3 box border, the secondary line type changes from German Whisper to Renban or vice versa.
Solution code: Digits along Renban line segements (left to right) in row 1, then in row 5, then in row 8.
Comments
on 3. August 2024, 19:05 by Calvinball
Another beautiful duet from Nordytrrio! You two really do tend to harmonize quite well.
on 3. August 2024, 18:01 by Franjo
Wonderful construction with some fresh logic you need for the solution. Thank you so much for creating and sharing this gem.
on 3. August 2024, 05:31 by mathpesto
This was such a delightful solve! Lots of original logic jam packed in here.
