Solution code: Last row without spaces
yesterday, 10:09 by Brandy New
LLM: GPT-5.4 medium thinking
Prompt: using sudoku-generator skill, please create a puzzle where whispers can form a shape of heart
Adjustment prompt: Ok you can add some additional constraints that will simplify the human-solving but heart should be preserved
Skill: sudoku-generator (custom)
on 13. April 2026, 23:33 by clover
I have doubts about whether this was created by an LLM, can you provide more detail?
on 13. April 2026, 16:34 by Marius
2* for me, but very enjoyable
on 13. April 2026, 14:27 by Gambit
Nice combination of Whisper and Kropki dots...always good to have a few tricky bits to get the mind going. Thanks for sharing.
PS - Try include an image of your puzzle to get a few more hits. ;-)
on 13. April 2026, 13:14 by Elliott810
Brilliant puzzle! For me at most 3* difficulty. Thank you:)