PlaySudoku.us
Medium · Puzzle #35
8
6
7
2
3
4
8
2
6
1
4
7
1
7
4
3
7
8
1
5
8
3
7
6
4
9
3
9
6
1
1
9
4
2
Complete an Evil puzzle from start to finish in a single uninterrupted session. No breaks, no distractions.
Complete an Evil puzzle from start to finish in a single uninterrupted session. No breaks, no distractions.
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.