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logical deduction - A Sudoku with only four given digits and some more rules - Puzzling Stack Exchange
![Sudoku. Kids and Adult Mathematical Mosaic. Magic Square Stock Vector - Illustration of grid, guess: 113721108 Sudoku. Kids and Adult Mathematical Mosaic. Magic Square Stock Vector - Illustration of grid, guess: 113721108](https://thumbs.dreamstime.com/z/sudoku-kids-adult-mathematical-mosaic-magic-square-logic-puzzle-game-digital-rebus-vector-illustration-113721108.jpg)
Sudoku. Kids and Adult Mathematical Mosaic. Magic Square Stock Vector - Illustration of grid, guess: 113721108
![3 by 3 Magic Squad | 3x3 Magic Square | Two Easy methods on 3x3 Magic Square | Magic Square 3*3 - YouTube 3 by 3 Magic Squad | 3x3 Magic Square | Two Easy methods on 3x3 Magic Square | Magic Square 3*3 - YouTube](https://i.ytimg.com/vi/XXZxkTC5Q6Y/sddefault.jpg)
3 by 3 Magic Squad | 3x3 Magic Square | Two Easy methods on 3x3 Magic Square | Magic Square 3*3 - YouTube
![4x4 magic square | 4 by 4 magic Square | magic square | magic square 4x4 | Maths magic tricks - YouTube 4x4 magic square | 4 by 4 magic Square | magic square | magic square 4x4 | Maths magic tricks - YouTube](https://i.ytimg.com/vi/jonIi7lEWTg/hqdefault.jpg)