PlaySudoku.us
Expert · Puzzle #940
2
8
6
3
4
3
5
1
6
4
5
8
1
6
7
3
1
3
2
3
9
8
9
2
Graph coloring and Sudoku are equivalent problems. Each cell is a node; edges connect cells that share a house. Solving Sudoku = coloring the graph with 9 colors.
Graph coloring and Sudoku are equivalent problems. Each cell is a node; edges connect cells that share a house. Solving Sudoku = coloring the graph with 9 colors.
"Plato is dear to me, but dearer still is truth." — Aristotle
"Plato is dear to me, but dearer still is truth." — Aristotle