Sudoku_distinction_of_cases.PNG (297 × 296 pixels, file size: 4 KB, MIME type: image/png)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:12, 5 August 2011 | 297 × 296 (4 KB) | Welt-der-Form | {{Information |Description ={{en|1=A sudoku puzzle which requires the systematic distinction of cases (backtracking) to solve, i.e. logic inference rules alone do not suffice.}} |Source ={{own}} |Author =[[User:Welt-der-Form|Welt-der-Fo |
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