Disjoint Sets: No digit may appear in the same position in any two boxes in the grid.
German Whispers: Along the green whisper lines, adjacent digits must differ by at least 5.
Thermometers: Digits along a thermometer must increase starting from the bulb.
f-puzzles: https://f-puzzles.com/?id=yg3n85et
CTC: https://tinyurl.com/xhc37t2j
Lösungscode: Row 7 + Column 9 (18 digits)
am 1. August 2026, 18:37 Uhr von CarnacTheMagnificent
This was a tough puzzle. It took me just over 3 hours but it was worth it. The disjoint set constraint helped solve this. Thanks for sharing.
am 16. Juli 2026, 16:27 Uhr von snuuba
Not sure why such low rating, deserves better. Many thanks for sharing.
CtC link with solution check:
https://sudokupad.app/ithw1nsmrh