PlaySudoku.us
Easy · Puzzle #344
6
5
4
8
2
8
4
1
7
5
8
3
2
7
6
8
5
4
1
6
5
1
2
8
9
3
8
4
5
3
7
6
9
6
1
8
2
4
3
5
5
3
8
2
6
4
2
7
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.
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.