static void Main(string[] args)
{
//List<List<char>> paths = GraphSearch.AllPaths(Graph.MakeSampleGraph());
SudokuSolver.SudokuBoard board = new SudokuSolver.SudokuBoard();
SudokuSolver.Solve(board);
Console.WriteLine(board);
}
public static void Solve(SudokuBoard board)
{
SudokuSolver.Solve(board, 0);
}