Pompoenlantaarn
(Published on 30. October 2025, 22:46 by henter)
Pompoenlantaarn
Rules
- Normal Sudoku rules apply.
- Adjacent digits on an orange dutch whispers line differ by at least 4.
- Adjacent digits on a yellow triangular line sum to a triangular number (0,1,3,6,10,15,21,...).
Enjoy!
Also check out my other puzzles with triangular lines.
SudokuPad
Solution code: Row 1
Solved by StevenS, roscommon, GaviGuy, Scorps, SKORP17, Aerasharathestia, bhambells
Comments
Last changed on 31. October 2025, 19:15on 31. October 2025, 14:33 by Scorps
Probably somewhat trickier than a usual 2* but a nice introduction to triangular number lines, thanks for sharing!
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Thanks for solving and commenting, much appreciated. I released a couple of other puzzles with that constraint before, but yeah, if this is the first time you come across it, it's probably a bit more than 2*.