static void Main(string[] args)
{
Console.Write("Insert the csv sudoku file path: ");
var filePath = Console.ReadLine();
Board sudokuBoard = new Board(filePath);
// Board sudokuBoard = new Board("/home/marco/RiderProjects/Sudoku/example_sudoku.txt");
sudokuBoard.PrintBoard();
if (sudokuBoard.CheckCompleted())
{
Console.WriteLine("sudoku completed");
}
}