private void SetEmptyCellsValues(IBoard board)
 {
     ICell[,] boardCells = board.Cells;
     for (var row = 0; row < board.Rows; row++)
     {
         for (int col = 0; col < board.Cols; col++)
         {
             ICell currentCell = boardCells[row, col];
             if (currentCell.Content.ContentType == ContentType.Empty)
             {
                 currentCell.Content.Value = board.CalculateNumberOfSurroundingBombs(row, col);
             }
         }
     }
 }