All the Latest Game Footage and Images from Ultimate Sudoku Collection: Basic Diagonal Pack 250 puzzles of “Basic Diagonal Sudoku” Advertisement All the Latest Game Footage and Images from ...

All the Latest Game Footage and Images from Ultimate Sudoku Collection: Gattai-3 Diagonal Pack 250 puzzles of “Gattai-3 Diagonal Sudoku” Advertisement All the Latest Game Footage and Images ...

Diagonal sudoku, for instance ... dozen other kinds of personalized notation that might be better for some hard puzzles.” It’s interesting to observe that, while sudoku players have distinctly ...