✅ How to make this loop

        switch (chessPiece)
        {
            case "Knight":
                if(isSafe(currentCell.RowNumber -2, currentCell.ColumnNumber -1))
                    theGrid[currentCell.RowNumber + 2, currentCell.ColumnNumber + 1].LegalNextMove = true;

                if(isSafe(currentCell.RowNumber + 2, currentCell.ColumnNumber - 1))
                    theGrid[currentCell.RowNumber + 2, currentCell.ColumnNumber - 1].LegalNextMove = true;
                
                if(isSafe(currentCell.RowNumber -2, currentCell.ColumnNumber +1))
                    theGrid[currentCell.RowNumber - 2, currentCell.ColumnNumber + 1].LegalNextMove = true;

                if(isSafe(currentCell.RowNumber -2, currentCell.ColumnNumber -1))
                    theGrid[currentCell.RowNumber - 2, currentCell.ColumnNumber - 1].LegalNextMove = true;
                
                if(isSafe(currentCell.RowNumber + 1, currentCell.ColumnNumber + 2))
                    theGrid[currentCell.RowNumber + 1, currentCell.ColumnNumber + 2].LegalNextMove = true;

                if(isSafe(currentCell.RowNumber + 1, currentCell.ColumnNumber - 2))
                    theGrid[currentCell.RowNumber + 1, currentCell.ColumnNumber - 2].LegalNextMove = true;

                if(isSafe(currentCell.RowNumber - 1, currentCell.ColumnNumber + 2))
                    theGrid[currentCell.RowNumber - 1, currentCell.ColumnNumber + 2].LegalNextMove = true;

                if(isSafe(currentCell.RowNumber -1, currentCell.ColumnNumber -2))
                    theGrid[currentCell.RowNumber - 1, currentCell.ColumnNumber - 2].LegalNextMove = true;

                break;