matthorse
- Karma
- 0
- Created
- ()
- Submissions
- 0
- Show HN: Sufuku – Sudoku, but Numbers Repeat (crossnum.com)
Sudoku is short for "the digits must be single". I wondered if inverting this would work: "the digits must be repeated". And so, by swapping "doku" for "fuku", Sufuku was born. In short, instead of using numbers 1-9 for…