static void Main(string[] args)
{
var b1 = Board.ReadInString("000010000007905400000804000001000200470030096000090000016050940004321600308000102");
var board1 = new Board(b1);
board1.PrintOut();
Console.Out.WriteLine("going to solve now");
Console.Out.WriteLine("\n\n");
board1.Solve();
board1.IsValid();
//board1.Assign();
Console.Read();
}