| Hexadoku Elektor Circuit Special
| Hexadoku Elektor Circuit Special
| Sudoku for engineers and makers!
| Hexadoku for Circuit Special 2023.
| Hexadoku - Puzzles with an Electronic Touch!
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| The Elektorized Sudoku!
| The original elektorized Sudoku.
| The Elektorized Sudoku!
| The Original Elektorized Sudoku.
| The Original Elektorized Sudoku!