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Evil · Puzzle #380
8
9
2
7
5
9
8
8
2
7
3
5
9
6
8
8
6
4
3
7
6
4
1
7
"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.