PlaySudoku.us
Evil · Puzzle #496
4
1
8
6
7
5
1
6
3
6
2
5
9
6
8
4
2
3
9
7
8
3
9
7
8
"The key is not the will to win. Everybody has that. It is the will to prepare to win that is important." — Bobby Knight
"The key is not the will to win. Everybody has that. It is the will to prepare to win that is important." — Bobby Knight
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.