![Are the Sudokus from the „ultrahardcore“ series by Stefan Heine (Sudoku author from the Sudoku World Championships) really not solvable with logic? : r/sudoku Are the Sudokus from the „ultrahardcore“ series by Stefan Heine (Sudoku author from the Sudoku World Championships) really not solvable with logic? : r/sudoku](https://preview.redd.it/bu21epxatah41.jpg?width=1206&format=pjpg&auto=webp&s=7b5672738969829ef91dbcd07f5397ef2e6edf19)
Are the Sudokus from the „ultrahardcore“ series by Stefan Heine (Sudoku author from the Sudoku World Championships) really not solvable with logic? : r/sudoku
![Stefan Heine Sudoku schwierig bis extrem 2023 - Tagesabreisskalender -11,8x15,9 - Rätselkalender - Sudokukalender - Kalender bestellen Stefan Heine Sudoku schwierig bis extrem 2023 - Tagesabreisskalender -11,8x15,9 - Rätselkalender - Sudokukalender - Kalender bestellen](https://i.weltbild.de/p/stefan-heine-sudoku-schwierig-bis-extrem-2023-329745378.jpg?v=1&wp=_max)
Stefan Heine Sudoku schwierig bis extrem 2023 - Tagesabreisskalender -11,8x15,9 - Rätselkalender - Sudokukalender - Kalender bestellen
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