static void Main(string[] args)
{
//var b1 = Board.ReadIn(@"sample.txt");
//var b1 = Board.ReadInString("008450371020097560503800492300705849280030056745609003837006904012970030956043100");
//var b1 = Board.ReadInString("..845.371.2..9756.5.38..4923..7.584928..3..567456.9..3837..69.4.1297..3.956.431..");
var b1 = Board.ReadInString(" 845 371 2 9756 5 38 4923 7 584928 3 567456 9 3837 69 4 1297 3 956 431 ");
var board1 = new Board(b1);
board1.PrintOut2();
Console.Out.WriteLine("going to solve now");
Console.Out.WriteLine("\n\n");
board1.Solve();
Console.Read();
}