3
9
6
7
9
9
1
4
2
8
2
1
7
9
8
4
1
7
9
6
5
8
2
1
7
4
5
8
3
1
9
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.
"The only true wisdom is in knowing you know nothing." — Socrates
"The only true wisdom is in knowing you know nothing." — Socrates