public static void DrawGrid(Grid grid)
{
var count = 0;
var output = "\n\t";
foreach (var cell in grid.Cells)
{
var value = "_";
if (cell.Value.HasValue)
{
value = cell.Value.Value.ToString();
}
output += value + " ";
count++;
if (count == grid.Length)
{
output += "\n\t";
count = 0;
}
}
Console.WriteLine(output);
Console.WriteLine($"\tSolved: {grid.Solved()}");
}