Why we built Magic Sudoku, the ARKit Sudoku Solver | by Brad Dwyer | Medium
Anything but square: from magic squares to Sudoku | plus.maths.org
logical deduction - A Sudoku with only four given digits and some more rules - Puzzling Stack Exchange
Advanced Magic Square Worksheet
BoardGameGeek on X: "Want a challenge? Solve this sudoku! • The diagonals have the numbers 1-9. • The center box is a magic square. • No number is a "knight's move" away
How Many 3×3 Magic Squares Are There? Sunday Puzzle – Mind Your Decisions