namespace Elementor; use Elementor\Core\Admin\Menu\Admin_Menu_Manager; use Elementor\Core\Wp_Api; use Elementor\Core\Admin\Admin; use Elementor\Core\Breakpoints\Manager as Breakpoints_Manager; use Elementor\Core\Common\App as CommonApp; use Elementor\Core\Debug\Inspector; use Elementor\Core\Documents_Manager; use Elementor\Core\Experiments\Manager as Experiments_Manager; use Elementor\Core\Kits\Manager as Kits_Manager; use Elementor\Core\Editor\Editor; use Elementor\Core\Files\Manager as Files_Manager; use Elementor\Core\Files\Assets\Manager as Assets_Manager; use Elementor\Core\Modules_Manager; use Elementor\Core\Schemes\Manager as Schemes_Manager; use Elementor\Core\Settings\Manager as Settings_Manager; use Elementor\Core\Settings\Page\Manager as Page_Settings_Manager; use Elementor\Core\Upgrade\Elementor_3_Re_Migrate_Globals; use Elementor\Modules\History\Revisions_Manager; use Elementor\Core\DynamicTags\Manager as Dynamic_Tags_Manager; use Elementor\Core\Logger\Manager as Log_Manager; use Elementor\Core\Page_Assets\Loader as Assets_Loader; use Elementor\Modules\System_Info\Module as System_Info_Module; use Elementor\Data\Manager as Data_Manager; use Elementor\Data\V2\Manager as Data_Manager_V2; use Elementor\Core\Common\Modules\DevTools\Module as Dev_Tools; use Elementor\Core\Files\Uploads_Manager as Uploads_Manager; if ( ! defined( 'ABSPATH' ) ) { exit; } /** * Elementor plugin. * * The main plugin handler class is responsible for initializing Elementor. The * class registers and all the components required to run the plugin. * * @since 1.0.0 */ class Plugin { const ELEMENTOR_DEFAULT_POST_TYPES = [ 'page', 'post' ]; /** * Instance. * * Holds the plugin instance. * * @since 1.0.0 * @access public * @static * * @var Plugin */ public static $instance = null; /** * Database. * * Holds the plugin database handler which is responsible for communicating * with the database. * * @since 1.0.0 * @access public * * @var DB */ public $db; /** * Controls manager. * * Holds the plugin controls manager handler is responsible for registering * and initializing controls. * * @since 1.0.0 * @access public * * @var Controls_Manager */ public $controls_manager; /** * Documents manager. * * Holds the documents manager. * * @since 2.0.0 * @access public * * @var Documents_Manager */ public $documents; /** * Schemes manager. * * Holds the plugin schemes manager. * * @since 1.0.0 * @access public * * @var Schemes_Manager */ public $schemes_manager; /** * Elements manager. * * Holds the plugin elements manager. * * @since 1.0.0 * @access public * * @var Elements_Manager */ public $elements_manager; /** * Widgets manager. * * Holds the plugin widgets manager which is responsible for registering and * initializing widgets. * * @since 1.0.0 * @access public * * @var Widgets_Manager */ public $widgets_manager; /** * Revisions manager. * * Holds the plugin revisions manager which handles history and revisions * functionality. * * @since 1.0.0 * @access public * * @var Revisions_Manager */ public $revisions_manager; /** * Images manager. * * Holds the plugin images manager which is responsible for retrieving image * details. * * @since 2.9.0 * @access public * * @var Images_Manager */ public $images_manager; /** * Maintenance mode. * * Holds the maintenance mode manager responsible for the "Maintenance Mode" * and the "Coming Soon" features. * * @since 1.0.0 * @access public * * @var Maintenance_Mode */ public $maintenance_mode; /** * Page settings manager. * * Holds the page settings manager. * * @since 1.0.0 * @access public * * @var Page_Settings_Manager */ public $page_settings_manager; /** * Dynamic tags manager. * * Holds the dynamic tags manager. * * @since 1.0.0 * @access public * * @var Dynamic_Tags_Manager */ public $dynamic_tags; /** * Settings. * * Holds the plugin settings. * * @since 1.0.0 * @access public * * @var Settings */ public $settings; /** * Role Manager. * * Holds the plugin role manager. * * @since 2.0.0 * @access public * * @var Core\RoleManager\Role_Manager */ public $role_manager; /** * Admin. * * Holds the plugin admin. * * @since 1.0.0 * @access public * * @var Admin */ public $admin; /** * Tools. * * Holds the plugin tools. * * @since 1.0.0 * @access public * * @var Tools */ public $tools; /** * Preview. * * Holds the plugin preview. * * @since 1.0.0 * @access public * * @var Preview */ public $preview; /** * Editor. * * Holds the plugin editor. * * @since 1.0.0 * @access public * * @var Editor */ public $editor; /** * Frontend. * * Holds the plugin frontend. * * @since 1.0.0 * @access public * * @var Frontend */ public $frontend; /** * Heartbeat. * * Holds the plugin heartbeat. * * @since 1.0.0 * @access public * * @var Heartbeat */ public $heartbeat; /** * System info. * * Holds the system info data. * * @since 1.0.0 * @access public * * @var System_Info_Module */ public $system_info; /** * Template library manager. * * Holds the template library manager. * * @since 1.0.0 * @access public * * @var TemplateLibrary\Manager */ public $templates_manager; /** * Skins manager. * * Holds the skins manager. * * @since 1.0.0 * @access public * * @var Skins_Manager */ public $skins_manager; /** * Files manager. * * Holds the plugin files manager. * * @since 2.1.0 * @access public * * @var Files_Manager */ public $files_manager; /** * Assets manager. * * Holds the plugin assets manager. * * @since 2.6.0 * @access public * * @var Assets_Manager */ public $assets_manager; /** * Icons Manager. * * Holds the plugin icons manager. * * @access public * * @var Icons_Manager */ public $icons_manager; /** * WordPress widgets manager. * * Holds the WordPress widgets manager. * * @since 1.0.0 * @access public * * @var WordPress_Widgets_Manager */ public $wordpress_widgets_manager; /** * Modules manager. * * Holds the plugin modules manager. * * @since 1.0.0 * @access public * * @var Modules_Manager */ public $modules_manager; /** * Beta testers. * * Holds the plugin beta testers. * * @since 1.0.0 * @access public * * @var Beta_Testers */ public $beta_testers; /** * Inspector. * * Holds the plugin inspector data. * * @since 2.1.2 * @access public * * @var Inspector */ public $inspector; /** * @var Admin_Menu_Manager */ public $admin_menu_manager; /** * Common functionality. * * Holds the plugin common functionality. * * @since 2.3.0 * @access public * * @var CommonApp */ public $common; /** * Log manager. * * Holds the plugin log manager. * * @access public * * @var Log_Manager */ public $logger; /** * Dev tools. * * Holds the plugin dev tools. * * @access private * * @var Dev_Tools */ private $dev_tools; /** * Upgrade manager. * * Holds the plugin upgrade manager. * * @access public * * @var Core\Upgrade\Manager */ public $upgrade; /** * Tasks manager. * * Holds the plugin tasks manager. * * @var Core\Upgrade\Custom_Tasks_Manager */ public $custom_tasks; /** * Kits manager. * * Holds the plugin kits manager. * * @access public * * @var Core\Kits\Manager */ public $kits_manager; /** * @var \Elementor\Data\V2\Manager */ public $data_manager_v2; /** * Legacy mode. * * Holds the plugin legacy mode data. * * @access public * * @var array */ public $legacy_mode; /** * App. * * Holds the plugin app data. * * @since 3.0.0 * @access public * * @var App\App */ public $app; /** * WordPress API. * * Holds the methods that interact with WordPress Core API. * * @since 3.0.0 * @access public * * @var Wp_Api */ public $wp; /** * Experiments manager. * * Holds the plugin experiments manager. * * @since 3.1.0 * @access public * * @var Experiments_Manager */ public $experiments; /** * Uploads manager. * * Holds the plugin uploads manager responsible for handling file uploads * that are not done with WordPress Media. * * @since 3.3.0 * @access public * * @var Uploads_Manager */ public $uploads_manager; /** * Breakpoints manager. * * Holds the plugin breakpoints manager. * * @since 3.2.0 * @access public * * @var Breakpoints_Manager */ public $breakpoints; /** * Assets loader. * * Holds the plugin assets loader responsible for conditionally enqueuing * styles and script assets that were pre-enabled. * * @since 3.3.0 * @access public * * @var Assets_Loader */ public $assets_loader; /** * Clone. * * Disable class cloning and throw an error on object clone. * * The whole idea of the singleton design pattern is that there is a single * object. Therefore, we don't want the object to be cloned. * * @access public * @since 1.0.0 */ public function __clone() { _doing_it_wrong( __FUNCTION__, sprintf( 'Cloning instances of the singleton "%s" class is forbidden.', get_class( $this ) ), // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped '1.0.0' ); } /** * Wakeup. * * Disable unserializing of the class. * * @access public * @since 1.0.0 */ public function __wakeup() { _doing_it_wrong( __FUNCTION__, sprintf( 'Unserializing instances of the singleton "%s" class is forbidden.', get_class( $this ) ), // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped '1.0.0' ); } /** * Instance. * * Ensures only one instance of the plugin class is loaded or can be loaded. * * @since 1.0.0 * @access public * @static * * @return Plugin An instance of the class. */ public static function instance() { if ( is_null( self::$instance ) ) { self::$instance = new self(); /** * Elementor loaded. * * Fires when Elementor was fully loaded and instantiated. * * @since 1.0.0 */ do_action( 'elementor/loaded' ); } return self::$instance; } /** * Init. * * Initialize Elementor Plugin. Register Elementor support for all the * supported post types and initialize Elementor components. * * @since 1.0.0 * @access public */ public function init() { $this->add_cpt_support(); $this->init_components(); /** * Elementor init. * * Fires when Elementor components are initialized. * * After Elementor finished loading but before any headers are sent. * * @since 1.0.0 */ do_action( 'elementor/init' ); } /** * Get install time. * * Retrieve the time when Elementor was installed. * * @since 2.6.0 * @access public * @static * * @return int Unix timestamp when Elementor was installed. */ public function get_install_time() { $installed_time = get_option( '_elementor_installed_time' ); if ( ! $installed_time ) { $installed_time = time(); update_option( '_elementor_installed_time', $installed_time ); } return $installed_time; } /** * @since 2.3.0 * @access public */ public function on_rest_api_init() { // On admin/frontend sometimes the rest API is initialized after the common is initialized. if ( ! $this->common ) { $this->init_common(); } } /** * Init components. * * Initialize Elementor components. Register actions, run setting manager, * initialize all the components that run elementor, and if in admin page * initialize admin components. * * @since 1.0.0 * @access private */ private function init_components() { $this->experiments = new Experiments_Manager(); $this->breakpoints = new Breakpoints_Manager(); $this->inspector = new Inspector(); Settings_Manager::run(); $this->db = new DB(); $this->controls_manager = new Controls_Manager(); $this->documents = new Documents_Manager(); $this->kits_manager = new Kits_Manager(); $this->schemes_manager = new Schemes_Manager(); $this->elements_manager = new Elements_Manager(); $this->widgets_manager = new Widgets_Manager(); $this->skins_manager = new Skins_Manager(); $this->files_manager = new Files_Manager(); $this->assets_manager = new Assets_Manager(); $this->icons_manager = new Icons_Manager(); $this->settings = new Settings(); $this->tools = new Tools(); $this->editor = new Editor(); $this->preview = new Preview(); $this->frontend = new Frontend(); $this->maintenance_mode = new Maintenance_Mode(); $this->dynamic_tags = new Dynamic_Tags_Manager(); $this->modules_manager = new Modules_Manager(); $this->templates_manager = new TemplateLibrary\Manager(); $this->role_manager = new Core\RoleManager\Role_Manager(); $this->system_info = new System_Info_Module(); $this->revisions_manager = new Revisions_Manager(); $this->images_manager = new Images_Manager(); $this->wp = new Wp_Api(); $this->assets_loader = new Assets_Loader(); $this->uploads_manager = new Uploads_Manager(); $this->admin_menu_manager = new Admin_Menu_Manager(); $this->admin_menu_manager->register_actions(); User::init(); Api::init(); Tracker::init(); $this->upgrade = new Core\Upgrade\Manager(); $this->custom_tasks = new Core\Upgrade\Custom_Tasks_Manager(); $this->app = new App\App(); if ( is_admin() ) { $this->heartbeat = new Heartbeat(); $this->wordpress_widgets_manager = new WordPress_Widgets_Manager(); $this->admin = new Admin(); $this->beta_testers = new Beta_Testers(); new Elementor_3_Re_Migrate_Globals(); } } /** * @since 2.3.0 * @access public */ public function init_common() { $this->common = new CommonApp(); $this->common->init_components(); } /** * Get Legacy Mode * * @since 3.0.0 * @deprecated 3.1.0 Use `Plugin::$instance->experiments->is_feature_active()` instead * * @param string $mode_name Optional. Default is null * * @return bool|bool[] */ public function get_legacy_mode( $mode_name = null ) { self::$instance->modules_manager->get_modules( 'dev-tools' )->deprecation ->deprecated_function( __METHOD__, '3.1.0', 'Plugin::$instance->experiments->is_feature_active()' ); $legacy_mode = [ 'elementWrappers' => ! self::$instance->experiments->is_feature_active( 'e_dom_optimization' ), ]; if ( ! $mode_name ) { return $legacy_mode; } if ( isset( $legacy_mode[ $mode_name ] ) ) { return $legacy_mode[ $mode_name ]; } // If there is no legacy mode with the given mode name; return false; } /** * Add custom post type support. * * Register Elementor support for all the supported post types defined by * the user in the admin screen and saved as `elementor_cpt_support` option * in WordPress `$wpdb->options` table. * * If no custom post type selected, usually in new installs, this method * will return the two default post types: `page` and `post`. * * @since 1.0.0 * @access private */ private function add_cpt_support() { $cpt_support = get_option( 'elementor_cpt_support', self::ELEMENTOR_DEFAULT_POST_TYPES ); foreach ( $cpt_support as $cpt_slug ) { add_post_type_support( $cpt_slug, 'elementor' ); } } /** * Register autoloader. * * Elementor autoloader loads all the classes needed to run the plugin. * * @since 1.6.0 * @access private */ private function register_autoloader() { require_once ELEMENTOR_PATH . '/includes/autoloader.php'; Autoloader::run(); } /** * Plugin Magic Getter * * @since 3.1.0 * @access public * * @param $property * @return mixed * @throws \Exception */ public function __get( $property ) { if ( 'posts_css_manager' === $property ) { self::$instance->modules_manager->get_modules( 'dev-tools' )->deprecation->deprecated_argument( 'Plugin::$instance->posts_css_manager', '2.7.0', 'Plugin::$instance->files_manager' ); return $this->files_manager; } if ( 'data_manager' === $property ) { return Data_Manager::instance(); } if ( property_exists( $this, $property ) ) { throw new \Exception( 'Cannot access private property.' ); } return null; } /** * Plugin constructor. * * Initializing Elementor plugin. * * @since 1.0.0 * @access private */ private function __construct() { $this->register_autoloader(); $this->logger = Log_Manager::instance(); $this->data_manager_v2 = Data_Manager_V2::instance(); Maintenance::init(); Compatibility::register_actions(); add_action( 'init', [ $this, 'init' ], 0 ); add_action( 'rest_api_init', [ $this, 'on_rest_api_init' ], 9 ); } final public static function get_title() { return esc_html__( 'Elementor', 'elementor' ); } } if ( ! defined( 'ELEMENTOR_TESTS' ) ) { // In tests we run the instance manually. Plugin::instance(); } Unlocking Ancient Secrets: How Egyptians Created Vibrant Blue Pigments – Vitreo Retina Society

HomeUnlocking Ancient Secrets: How Egyptians Created Vibrant Blue PigmentsUncategorizedUnlocking Ancient Secrets: How Egyptians Created Vibrant Blue Pigments

Unlocking Ancient Secrets: How Egyptians Created Vibrant Blue Pigments

The artistry of ancient Egypt stands as a testament to human ingenuity and spiritual symbolism. Their mastery over colors, especially the vibrant blue hues that adorn temples, tombs, and artifacts, reveals a deep understanding of materials and a quest for eternal symbolism. Exploring how Egyptians created these enduring pigments not only uncovers scientific marvels but also illuminates their cultural and spiritual worldview.

Table of Contents

Introduction to Ancient Egyptian Art and Symbolism

Overview of Egyptian Cultural Values and Artistic Achievements

Ancient Egypt’s artistic legacy reflects a civilization deeply rooted in religious beliefs, cosmological understanding, and an appreciation for eternal life. Artworks—from monumental temples to intricate jewelry—embody spiritual symbolism intertwined with everyday life. The Egyptians believed that art could bridge the mortal and divine, making their craftsmanship a form of spiritual communication.

The Significance of Colors and Materials in Egyptian Artifacts

Colors in Egyptian art were not merely decorative but carried profound meanings. For instance, green symbolized fertility and rebirth, yellow represented eternity and the sun, while blue was associated with the sky and water, embodying divine power and protection. The materials used—such as faience, precious stones, and mineral-based pigments—were carefully chosen to enhance these symbolic associations.

Connecting Symbolism with Artistic Practices in Ancient Egypt

Egyptian artisans meticulously applied colors to reinforce spiritual messages, making art a form of visual storytelling. The placement of blue pigments, especially in religious contexts, emphasized divine connection and eternity, as seen in tomb paintings and temple carvings. This deliberate use of color demonstrates an intricate relationship between material science and spiritual symbolism.

The Quest for Vibrant Blue: An Overview of Egyptian Pigments

Historical Importance of Blue Pigments in Egyptian Art

Blue pigments were prized for their vibrant hue and durability, making them central to Egyptian artistic expression. From the blue crowns of pharaohs to the intricate inlays in jewelry, this color signified divine authority and celestial connection, often used in burial contexts to invoke protection and eternal life.

Challenges Faced in Creating Lasting, Vibrant Blue Colors

Achieving a stable, vivid blue was a significant challenge due to the instability of natural minerals and the tendency of pigments to fade over time. Early pigments like azurite were brilliant but susceptible to weathering. The Egyptians sought a solution that would withstand millennia, leading to innovative material science efforts.

The Role of Natural Mineral Sources in Pigment Development

Natural minerals such as azurite and malachite provided initial blue and green hues. However, Egyptian craftsmen eventually developed a synthetic process to create a more durable pigment—Egyptian blue—combining mineral knowledge with chemical mastery. This advancement marked a turning point in art preservation.

The Composition and Creation of Egyptian Blue

Identification of the Primary Mineral: Calcium Copper Silicate (Egyptian Blue)

Egyptian blue, scientifically known as calcium copper silicate, is recognized as one of the earliest synthetic pigments. Its chemical stability and vibrant hue made it a favorite for decorating tombs and statues, surviving thousands of years with minimal fading.

The Chemical Process Used to Produce the Pigment

The process involved heating a mixture of silica, calcium carbonate, copper compounds, and other mineral additives at high temperatures—approximately 850°C—to induce a chemical reaction forming calcium copper silicate. This sintering process produced a crystalline pigment with intense color and durability.

How the Manufacturing Process Ensured Durability and Vibrancy

The controlled firing process created a stable crystalline structure resistant to environmental factors. This scientific approach explained the pigment’s longevity, allowing it to withstand centuries of exposure in murals and artifacts, effectively making it a technological marvel of its time.

Symbolic Significance of Blue in Egyptian Culture

Blue as a Representation of the Heavens, Water, and Life

In Egyptian cosmology, blue symbolized the sky and water—essentials of life and divine protection. The Nile’s life-giving waters and the vastness of the sky were both depicted with blue pigments, reinforcing the connection between the earthly and divine realms.

Its Association with Divine Power and Protection

Blue was closely linked to gods like Amun and Osiris, embodying divine authority. Artifacts decorated with blue often served as protective symbols, believed to ward off evil and ensure safe passage into the afterlife.

Examples of Blue in Temples, Tombs, and Religious Artifacts

Artifact Type Significance
Tomb Paintings Depicting divine scenes and ensuring protection in the afterlife
Temple Decorations Symbolizing divine authority and connection to the heavens
Amulets and Jewelry Offering protection and invoking divine blessing

Educational Insights: Linking Colors to Spiritual Concepts

The Connection Between Blue Pigments and the Concept of Eternal Life

The enduring nature of Egyptian blue symbolized immortality, aligning with the Egyptians’ focus on eternal life. Their use of this pigment in tombs and funerary objects reinforced the belief that these artifacts could preserve the soul’s journey beyond death.

How Color Symbolism Enhances Understanding of Egyptian Spirituality

Colors served as visual cues to spiritual truths. Blue’s association with the divine and eternity helped Egyptians conceptualize abstract ideas, making their art a powerful medium for conveying complex metaphysical concepts.

The Importance of Visual Storytelling Through Color Choices

By deliberately choosing blue for gods, the sky, and water, Egyptian artists created visual narratives that reinforced societal values and spiritual beliefs. Such storytelling through color remains influential in understanding ancient Egyptian worldview.

The Eye of Horus: A Modern Illustration of Ancient Symbolism

Description of the Eye of Horus and Its Six Parts Representing Senses and Protection

The Eye of Horus is an ancient Egyptian symbol depicting the protective eye of the falcon-headed god Horus. Its six parts symbolize the senses—smell, sight, thought, hearing, taste, and touch—and serve as a talisman for health and safety.

The Symbolism of the Eye in Safeguarding Health and Well-being

Historically, amulets bearing the Eye of Horus were believed to ward off evil and restore health. Its integration of symbolism, color, and spiritual meaning exemplifies how ancient Egyptian art intertwined scientific understanding with spiritual protection.

How the Eye Exemplifies the Integration of Symbolism, Color, and Spiritual Meaning

The vivid depiction of the Eye of Horus, often rendered in bright blue or black, highlights the importance of color in spiritual symbolism. Modern interpretations continue to draw on these principles, as seen in contemporary symbolic systems that incorporate layered meanings and protective qualities.

Architectural and Artistic Examples of Blue Use

Blue Pigments in Columns Shaped Like Lotus, Papyrus, and Palm—Symbols of Eternal Life

In architecture, blue was used in columns and capitals shaped like lotus flowers, papyrus, and palms, emphasizing their symbolic link to rebirth and eternal life. These motifs were not just decorative but carried layered spiritual meanings, reinforced by the durable blue pigments.

The Role of Blue in Mural Paintings and Statues

Blue was prominent in murals depicting gods, pharaohs, and mythological scenes. Statues and sarcophagi also featured blue in inlays and painted surfaces, ensuring the divine and eternal qualities of the objects endured through time.

Preservation of Blue Pigments and What It Reveals About Ancient Egyptian Craftsmanship

The remarkable preservation of blue pigments in archaeological finds indicates advanced techniques and a scientific understanding of mineral stability. Such craftsmanship demonstrates a sophisticated knowledge of materials that continues to inform modern conservation science.

Non-Obvious Aspects of Egyptian Pigment Technology

The Scientific Knowledge Behind Mineral Extraction and Pigment Stability

Egyptians mastered mineral extraction, selecting specific mineral sources for their pigment properties. The sintering process involved precise control of firing conditions to ensure pigment stability, reflecting a scientific approach that predated modern chemistry.

Innovations in Pigment Production That Influenced Later Cultures

The creation of Egyptian blue inspired subsequent cultures, including the Romans and Chinese, to explore synthetic pigments. These innovations laid groundwork for modern synthetic dyes and pigments used in industry today.

How the Study of Ancient Pigments Informs Modern Materials Science

Research into Egyptian blue’s crystalline structure and chemical stability informs contemporary efforts to develop durable, environmentally stable pigments for art, technology, and manufacturing, exemplifying ancient science influencing modern innovation.

The Legacy of Egyptian Blue: Influence and Modern Relevance

The Rediscovery of Egyptian Blue in Contemporary Art and Archaeology

Modern scientists rediscovered Egyptian blue’s unique properties through advanced spectroscopy and microscopy, revealing its widespread use and technological sophistication. Contemporary artists also incorporate this ancient hue to evoke historical authenticity and depth.

Modern Technological Parallels in Creating Durable Synthetic Pigments

Synthetic pigments like ultramarine and synthetic sapphire mirror Egyptian blue’s durability. These modern materials benefit from insights gained from ancient techniques, highlighting a continuous evolution in materials science.

Cultural Significance of Understanding Ancient Pigment Creation for Historical Appreciation

Understanding how ancient Egyptians created and used blue pigments deepens our appreciation of their technological and artistic achievements. It also fosters respect for their scientific methods, which continue to inspire modern innovations.

Conclusion: Unlocking the Secrets of Ancient Egyptian Artistic Innovation

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