static void findAndPrintMinimal(Puzzle p)
{
p = p.findMinimalPuzzle();
if (p != null)
{
Console.WriteLine("The puzzle with the fewest starting numbers whose solution is unique and matches the solution of the input puzzle is: \n");
p.print();
}
}
static void Main(string[] args)
{
Puzzle p = new Puzzle();
//Consumes a puzzle from an input text file
p.pullFromTextFile("input_almost_minimal.txt");
Console.WriteLine("Initial puzzle:\n");
p.print();
//Prints the minimal puzzle
findAndPrintMinimal(p);
Console.ReadLine();
}