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Sudoku Puzzles. How to do a 4x4 Sudoku Grid (easiest) Every column, row and mini-grid must contains the numbers 1, 2, 3 and 4. Can you work. - ppt download
![A sample 4 × 4 Sudoku puzzle with enumerated candidate sets. Circle... | Download Scientific Diagram A sample 4 × 4 Sudoku puzzle with enumerated candidate sets. Circle... | Download Scientific Diagram](https://www.researchgate.net/publication/221439348/figure/fig1/AS:305550853197824@1449860408220/A-sample-4-4-Sudoku-puzzle-with-enumerated-candidate-sets-Circle-marks-naked-single.png)
A sample 4 × 4 Sudoku puzzle with enumerated candidate sets. Circle... | Download Scientific Diagram
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