In space no one can hear you... whisper. SPOILER: Mark's solve on CTC.
Normal Sudoku rules apply. Each row, column and 3x3 box contains each number from 1 to 9 exactly once.
German Whisper Sudoku rules apply. Two cells connected by a line (either grey or green) must have a difference of five or more between their digits.
The inequality sign between two cells shows which one contains the lower/higher digit.
The puzzle is also available online.
Solution code: Column 4 and column 6.
on 11. August 2022, 05:07 by Allagem
Great puzzle! It took me 25 minutes to solve half the puzzle, then 40 minutes to solve one more cell, then 10 minutes to finish off the puzzle. Gonna watch Mark's solve now and see if he gets stuck on the same cell I did...
on 4. September 2021, 23:22 by uvo_mod
Label "Online Solving Tool" ergänzt.