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    <title></title>
    <description>Andreas Gruhler</description>
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    <pubDate>Thu, 11 Jun 2026 12:15:08 +0000</pubDate>
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      <item>
        <title>Level 3 Instructor Swiss Snowsports Association (SSSA)</title>
        <description>&lt;p&gt;During winter 23/24 I spent the season in the &lt;a href=&quot;https://skischule-savognin.ch/EN/home.html&quot;&gt;Swiss Ski School
Savognin&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;After a lot of training and course activities, I could complete my certificate
as &lt;a href=&quot;https://www.snowsports.ch/startseite/ausbildung/ausbildungskurse/level-3-instructor/&quot;&gt;level 3
instructor&lt;/a&gt;
(formerly “Instructor SSSA”) in the season 25/26.&lt;/p&gt;

&lt;p&gt;Activities:&lt;/p&gt;
&lt;ul class=&quot;list&quot;&gt;
  &lt;li&gt;Organize and realize skiing lessons for beginners and advanced skiers&lt;/li&gt;
  &lt;li&gt;Teaching and guidance for individuals and groups in German and English&lt;/li&gt;
  &lt;li&gt;Support with demonstrations, shows and other touristic activities&lt;/li&gt;
&lt;/ul&gt;
</description>
        <pubDate>Mon, 16 Mar 2026 00:00:00 +0000</pubDate>
        <link>/2026/instructor-sssa/</link>
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        <category>education</category>
        
        <category>teaching</category>
        
      </item>
    
      <item>
        <title>Senior Cloud Architect, Health Info Net AG (HIN), Zurich</title>
        <description>&lt;p&gt;Senior Cloud Architect at &lt;a href=&quot;https://www.hin.ch&quot;&gt;&lt;svg class=&quot;octicon octicon-link-external&quot; viewBox=&quot;0 0 16 16&quot; version=&quot;1.1&quot; width=&quot;16&quot; height=&quot;16&quot; aria-hidden=&quot;true&quot;&gt;&lt;path d=&quot;M3.75 2h3.5a.75.75 0 0 1 0 1.5h-3.5a.25.25 0 0 0-.25.25v8.5c0 .138.112.25.25.25h8.5a.25.25 0 0 0 .25-.25v-3.5a.75.75 0 0 1 1.5 0v3.5A1.75 1.75 0 0 1 12.25 14h-8.5A1.75 1.75 0 0 1 2 12.25v-8.5C2 2.784 2.784 2 3.75 2Zm6.854-1h4.146a.25.25 0 0 1 .25.25v4.146a.25.25 0 0 1-.427.177L13.03 4.03 9.28 7.78a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042l3.75-3.75-1.543-1.543A.25.25 0 0 1 10.604 1Z&quot;&gt;&lt;/path&gt;&lt;/svg&gt; HIN&lt;/a&gt;&lt;/p&gt;

</description>
        <pubDate>Wed, 01 Jan 2025 00:00:00 +0000</pubDate>
        <link>/2025/hin/</link>
        <guid isPermaLink="true">/2025/hin/</guid>
        
        
        <category>professional</category>
        
      </item>
    
      <item>
        <title>PGDay 2024 lightning talk: PostgreSQL in the snow</title>
        <description>&lt;p&gt;PostgreSQL in the snow: send the right athletes to the finals&lt;/p&gt;

&lt;ul&gt;
  &lt;li&gt;&lt;a href=&quot;https://www.pgday.ch/2024/#schedule&quot;&gt;&lt;svg class=&quot;octicon octicon-link-external&quot; viewBox=&quot;0 0 16 16&quot; version=&quot;1.1&quot; width=&quot;16&quot; height=&quot;16&quot; aria-hidden=&quot;true&quot;&gt;&lt;path d=&quot;M3.75 2h3.5a.75.75 0 0 1 0 1.5h-3.5a.25.25 0 0 0-.25.25v8.5c0 .138.112.25.25.25h8.5a.25.25 0 0 0 .25-.25v-3.5a.75.75 0 0 1 1.5 0v3.5A1.75 1.75 0 0 1 12.25 14h-8.5A1.75 1.75 0 0 1 2 12.25v-8.5C2 2.784 2.784 2 3.75 2Zm6.854-1h4.146a.25.25 0 0 1 .25.25v4.146a.25.25 0 0 1-.427.177L13.03 4.03 9.28 7.78a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042l3.75-3.75-1.543-1.543A.25.25 0 0 1 10.604 1Z&quot;&gt;&lt;/path&gt;&lt;/svg&gt; PGDay 2024, The Swiss PostgreSQL Conference -
Schedule&lt;/a&gt;&lt;/li&gt;
  &lt;li&gt;&lt;a href=&quot;/assets/pdf/2024_Lightning_Talks_Swiss_PGDay_2024.pdf&quot;&gt;&lt;svg class=&quot;octicon octicon-eye&quot; viewBox=&quot;0 0 16 16&quot; version=&quot;1.1&quot; width=&quot;16&quot; height=&quot;16&quot; aria-hidden=&quot;true&quot;&gt;&lt;path d=&quot;M8 2c1.981 0 3.671.992 4.933 2.078 1.27 1.091 2.187 2.345 2.637 3.023a1.62 1.62 0 0 1 0 1.798c-.45.678-1.367 1.932-2.637 3.023C11.67 13.008 9.981 14 8 14c-1.981 0-3.671-.992-4.933-2.078C1.797 10.83.88 9.576.43 8.898a1.62 1.62 0 0 1 0-1.798c.45-.677 1.367-1.931 2.637-3.022C4.33 2.992 6.019 2 8 2ZM1.679 7.932a.12.12 0 0 0 0 .136c.411.622 1.241 1.75 2.366 2.717C5.176 11.758 6.527 12.5 8 12.5c1.473 0 2.825-.742 3.955-1.715 1.124-.967 1.954-2.096 2.366-2.717a.12.12 0 0 0 0-.136c-.412-.621-1.242-1.75-2.366-2.717C10.824 4.242 9.473 3.5 8 3.5c-1.473 0-2.825.742-3.955 1.715-1.124.967-1.954 2.096-2.366 2.717ZM8 10a2 2 0 1 1-.001-3.999A2 2 0 0 1 8 10Z&quot;&gt;&lt;/path&gt;&lt;/svg&gt;
Presentation&lt;/a&gt;
(p. 38)&lt;/li&gt;
  &lt;li&gt;&lt;a href=&quot;https://code.in0rdr.ch/myheats&quot;&gt;&lt;svg class=&quot;octicon octicon-mark-github&quot; viewBox=&quot;0 0 16 16&quot; version=&quot;1.1&quot; width=&quot;16&quot; height=&quot;16&quot; aria-hidden=&quot;true&quot;&gt;&lt;path d=&quot;M8 0c4.42 0 8 3.58 8 8a8.013 8.013 0 0 1-5.45 7.59c-.4.08-.55-.17-.55-.38 0-.27.01-1.13.01-2.2 0-.75-.25-1.23-.54-1.48 1.78-.2 3.65-.88 3.65-3.95 0-.88-.31-1.59-.82-2.15.08-.2.36-1.02-.08-2.12 0 0-.67-.22-2.2.82-.64-.18-1.32-.27-2-.27-.68 0-1.36.09-2 .27-1.53-1.03-2.2-.82-2.2-.82-.44 1.1-.16 1.92-.08 2.12-.51.56-.82 1.28-.82 2.15 0 3.06 1.86 3.75 3.64 3.95-.23.2-.44.55-.51 1.07-.46.21-1.61.55-2.33-.66-.15-.24-.6-.83-1.23-.82-.67.01-.27.38.01.53.34.19.73.9.82 1.13.16.45.68 1.31 2.69.94 0 .67.01 1.3.01 1.49 0 .21-.15.45-.55.38A7.995 7.995 0 0 1 0 8c0-4.42 3.58-8 8-8Z&quot;&gt;&lt;/path&gt;&lt;/svg&gt; Code&lt;/a&gt;&lt;/li&gt;
  &lt;li&gt;&lt;a href=&quot;https://myheats-demo.p0c.ch&quot;&gt;&lt;svg class=&quot;octicon octicon-package&quot; viewBox=&quot;0 0 16 16&quot; version=&quot;1.1&quot; width=&quot;16&quot; height=&quot;16&quot; aria-hidden=&quot;true&quot;&gt;&lt;path d=&quot;m8.878.392 5.25 3.045c.54.314.872.89.872 1.514v6.098a1.75 1.75 0 0 1-.872 1.514l-5.25 3.045a1.75 1.75 0 0 1-1.756 0l-5.25-3.045A1.75 1.75 0 0 1 1 11.049V4.951c0-.624.332-1.201.872-1.514L7.122.392a1.75 1.75 0 0 1 1.756 0ZM7.875 1.69l-4.63 2.685L8 7.133l4.755-2.758-4.63-2.685a.248.248 0 0 0-.25 0ZM2.5 5.677v5.372c0 .09.047.171.125.216l4.625 2.683V8.432Zm6.25 8.271 4.625-2.683a.25.25 0 0 0 .125-.216V5.677L8.75 8.432Z&quot;&gt;&lt;/path&gt;&lt;/svg&gt; Demo&lt;/a&gt;&lt;/li&gt;
&lt;/ul&gt;

&lt;p&gt;It was demonstrated how the scoring process for freestyle events (e.g.,
slopestlye ski/snowboard) can be improved with a live-updating leaderboard.
The leaderboard makes use PostgreSQL publications to continuously refresh the
current ranking. The Supabase platform enables rapid prototyping.&lt;/p&gt;
</description>
        <pubDate>Fri, 28 Jun 2024 00:00:00 +0000</pubDate>
        <link>/2024/pgday/</link>
        <guid isPermaLink="true">/2024/pgday/</guid>
        
        
        <category>speaking</category>
        
      </item>
    
      <item>
        <title>Secret zero with ACME</title>
        <description>&lt;p&gt;&lt;a href=&quot;https://www.adfinis.com/en/news/secret-zero-with-acme&quot;&gt;&lt;svg class=&quot;octicon octicon-link-external&quot; viewBox=&quot;0 0 16 16&quot; version=&quot;1.1&quot; width=&quot;16&quot; height=&quot;16&quot; aria-hidden=&quot;true&quot;&gt;&lt;path d=&quot;M3.75 2h3.5a.75.75 0 0 1 0 1.5h-3.5a.25.25 0 0 0-.25.25v8.5c0 .138.112.25.25.25h8.5a.25.25 0 0 0 .25-.25v-3.5a.75.75 0 0 1 1.5 0v3.5A1.75 1.75 0 0 1 12.25 14h-8.5A1.75 1.75 0 0 1 2 12.25v-8.5C2 2.784 2.784 2 3.75 2Zm6.854-1h4.146a.25.25 0 0 1 .25.25v4.146a.25.25 0 0 1-.427.177L13.03 4.03 9.28 7.78a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042l3.75-3.75-1.543-1.543A.25.25 0 0 1 10.604 1Z&quot;&gt;&lt;/path&gt;&lt;/svg&gt; Adfinis Blog: Secret zero with ACME&lt;/a&gt;&lt;/p&gt;
</description>
        <pubDate>Mon, 27 Nov 2023 00:00:00 +0000</pubDate>
        <link>/2023/hashicorp-vault-acme-secret-zero/</link>
        <guid isPermaLink="true">/2023/hashicorp-vault-acme-secret-zero/</guid>
        
        
        <category>blog</category>
        
      </item>
    
      <item>
        <title>HashiDays Munich 2023</title>
        <description>&lt;p&gt;&lt;a href=&quot;https://www.adfinis.com/en/news/hashidays-munich-2023&quot;&gt;&lt;svg class=&quot;octicon octicon-link-external&quot; viewBox=&quot;0 0 16 16&quot; version=&quot;1.1&quot; width=&quot;16&quot; height=&quot;16&quot; aria-hidden=&quot;true&quot;&gt;&lt;path d=&quot;M3.75 2h3.5a.75.75 0 0 1 0 1.5h-3.5a.25.25 0 0 0-.25.25v8.5c0 .138.112.25.25.25h8.5a.25.25 0 0 0 .25-.25v-3.5a.75.75 0 0 1 1.5 0v3.5A1.75 1.75 0 0 1 12.25 14h-8.5A1.75 1.75 0 0 1 2 12.25v-8.5C2 2.784 2.784 2 3.75 2Zm6.854-1h4.146a.25.25 0 0 1 .25.25v4.146a.25.25 0 0 1-.427.177L13.03 4.03 9.28 7.78a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042l3.75-3.75-1.543-1.543A.25.25 0 0 1 10.604 1Z&quot;&gt;&lt;/path&gt;&lt;/svg&gt; Adfinis Blog: HashiDays Munich 2023&lt;/a&gt;&lt;/p&gt;
</description>
        <pubDate>Wed, 28 Jun 2023 00:00:00 +0000</pubDate>
        <link>/2023/hashidays/</link>
        <guid isPermaLink="true">/2023/hashidays/</guid>
        
        
        <category>blog</category>
        
      </item>
    
      <item>
        <title>Level 2 Instructor Swiss Snowsports Association (SSSA)</title>
        <description>&lt;p&gt;During winter 22/23 I spent the season in the &lt;a href=&quot;https://skischule-savognin.ch/EN/home.html&quot;&gt;Swiss Ski School
Savognin&lt;/a&gt; and completed the
training as &lt;a href=&quot;https://www.snowsports.ch/startseite/ausbildung/ausbildungskurse/level-2-instructor&quot;&gt;level 2 instructor&lt;/a&gt; (formerly “Aspirant SSSA”),
the first step in becoming an accredited swiss snowsports professional.&lt;/p&gt;

&lt;p&gt;&lt;img src=&quot;/assets/images/skiing-aspirant.jpeg&quot; alt=&quot;savognin-aspirant&quot; /&gt;&lt;/p&gt;

&lt;p&gt;Activities:&lt;/p&gt;
&lt;ul class=&quot;list&quot;&gt;
  &lt;li&gt;Organize and realize skiing lessons for beginners and advanced skiers&lt;/li&gt;
  &lt;li&gt;Teaching and guidance for individuals and groups in German and English&lt;/li&gt;
  &lt;li&gt;Support with demonstrations, shows and other touristic activities&lt;/li&gt;
&lt;/ul&gt;
</description>
        <pubDate>Thu, 23 Mar 2023 00:00:00 +0000</pubDate>
        <link>/2023/aspirant-sssa/</link>
        <guid isPermaLink="true">/2023/aspirant-sssa/</guid>
        
        
        <category>education</category>
        
        <category>teaching</category>
        
      </item>
    
      <item>
        <title>Zürich HashiCorp User Group (HUG): Build, run and manage with Zero Trust on a Swiss Cloud</title>
        <description>&lt;p&gt;Vault Deployment on Exoscale Scalable Kubernetes Service (SKS)&lt;/p&gt;

&lt;ul&gt;
  &lt;li&gt;&lt;a href=&quot;/assets/pdf/HashiCorp_Vault_Enterprise_on_Exoscale.pdf&quot;&gt;&lt;svg class=&quot;octicon octicon-eye&quot; viewBox=&quot;0 0 16 16&quot; version=&quot;1.1&quot; width=&quot;16&quot; height=&quot;16&quot; aria-hidden=&quot;true&quot;&gt;&lt;path d=&quot;M8 2c1.981 0 3.671.992 4.933 2.078 1.27 1.091 2.187 2.345 2.637 3.023a1.62 1.62 0 0 1 0 1.798c-.45.678-1.367 1.932-2.637 3.023C11.67 13.008 9.981 14 8 14c-1.981 0-3.671-.992-4.933-2.078C1.797 10.83.88 9.576.43 8.898a1.62 1.62 0 0 1 0-1.798c.45-.677 1.367-1.931 2.637-3.022C4.33 2.992 6.019 2 8 2ZM1.679 7.932a.12.12 0 0 0 0 .136c.411.622 1.241 1.75 2.366 2.717C5.176 11.758 6.527 12.5 8 12.5c1.473 0 2.825-.742 3.955-1.715 1.124-.967 1.954-2.096 2.366-2.717a.12.12 0 0 0 0-.136c-.412-.621-1.242-1.75-2.366-2.717C10.824 4.242 9.473 3.5 8 3.5c-1.473 0-2.825.742-3.955 1.715-1.124.967-1.954 2.096-2.366 2.717ZM8 10a2 2 0 1 1-.001-3.999A2 2 0 0 1 8 10Z&quot;&gt;&lt;/path&gt;&lt;/svg&gt; Presentation&lt;/a&gt;&lt;/li&gt;
  &lt;li&gt;&lt;a href=&quot;https://github.com/adfinis/sks-vault-demo&quot;&gt;&lt;svg class=&quot;octicon octicon-mark-github&quot; viewBox=&quot;0 0 16 16&quot; version=&quot;1.1&quot; width=&quot;16&quot; height=&quot;16&quot; aria-hidden=&quot;true&quot;&gt;&lt;path d=&quot;M8 0c4.42 0 8 3.58 8 8a8.013 8.013 0 0 1-5.45 7.59c-.4.08-.55-.17-.55-.38 0-.27.01-1.13.01-2.2 0-.75-.25-1.23-.54-1.48 1.78-.2 3.65-.88 3.65-3.95 0-.88-.31-1.59-.82-2.15.08-.2.36-1.02-.08-2.12 0 0-.67-.22-2.2.82-.64-.18-1.32-.27-2-.27-.68 0-1.36.09-2 .27-1.53-1.03-2.2-.82-2.2-.82-.44 1.1-.16 1.92-.08 2.12-.51.56-.82 1.28-.82 2.15 0 3.06 1.86 3.75 3.64 3.95-.23.2-.44.55-.51 1.07-.46.21-1.61.55-2.33-.66-.15-.24-.6-.83-1.23-.82-.67.01-.27.38.01.53.34.19.73.9.82 1.13.16.45.68 1.31 2.69.94 0 .67.01 1.3.01 1.49 0 .21-.15.45-.55.38A7.995 7.995 0 0 1 0 8c0-4.42 3.58-8 8-8Z&quot;&gt;&lt;/path&gt;&lt;/svg&gt; Demo code&lt;/a&gt;&lt;/li&gt;
&lt;/ul&gt;

&lt;p&gt;Deploy Vault on Exoscale SKS with ArgoCD. In this short rundown we will
provision a Kubernetes cluster on Exoscale (SKS), install ArgoCD and use that
to spin up HashiCorp Vault Enterprise. At the end of this session, you will
also be able to leverage the best practices around the “App of Apps” approach
for your projects, which we already use at Adfinis to manage the lifecycle of
mulitple apps across clusters and customers.&lt;/p&gt;
</description>
        <pubDate>Thu, 08 Dec 2022 00:00:00 +0000</pubDate>
        <link>/2022/hug/</link>
        <guid isPermaLink="true">/2022/hug/</guid>
        
        
        <category>speaking</category>
        
      </item>
    
      <item>
        <title>HashiCorp Vault on Exoscale Scalable Kubernetes Service (SKS)</title>
        <description>&lt;p&gt;&lt;a href=&quot;https://www.adfinis.com/en/news/hashicorp-vault-on-exoscale-scalable-kubernetes-service-sks&quot;&gt;&lt;svg class=&quot;octicon octicon-link-external&quot; viewBox=&quot;0 0 16 16&quot; version=&quot;1.1&quot; width=&quot;16&quot; height=&quot;16&quot; aria-hidden=&quot;true&quot;&gt;&lt;path d=&quot;M3.75 2h3.5a.75.75 0 0 1 0 1.5h-3.5a.25.25 0 0 0-.25.25v8.5c0 .138.112.25.25.25h8.5a.25.25 0 0 0 .25-.25v-3.5a.75.75 0 0 1 1.5 0v3.5A1.75 1.75 0 0 1 12.25 14h-8.5A1.75 1.75 0 0 1 2 12.25v-8.5C2 2.784 2.784 2 3.75 2Zm6.854-1h4.146a.25.25 0 0 1 .25.25v4.146a.25.25 0 0 1-.427.177L13.03 4.03 9.28 7.78a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042l3.75-3.75-1.543-1.543A.25.25 0 0 1 10.604 1Z&quot;&gt;&lt;/path&gt;&lt;/svg&gt; Adfinis Blog: HashiCorp Vault on Exoscale Scalable Kubernetes Service (SKS)&lt;/a&gt;&lt;/p&gt;
</description>
        <pubDate>Fri, 02 Dec 2022 00:00:00 +0000</pubDate>
        <link>/2022/vault-sks/</link>
        <guid isPermaLink="true">/2022/vault-sks/</guid>
        
        
        <category>blog</category>
        
      </item>
    
      <item>
        <title>How to Manage Secret Keys with HashiCorp Vault</title>
        <description>&lt;p&gt;&lt;a href=&quot;https://www.adfinis.com/en/news/how-to-manage-secret-keys-with-hashicorp-vault&quot;&gt;&lt;svg class=&quot;octicon octicon-link-external&quot; viewBox=&quot;0 0 16 16&quot; version=&quot;1.1&quot; width=&quot;16&quot; height=&quot;16&quot; aria-hidden=&quot;true&quot;&gt;&lt;path d=&quot;M3.75 2h3.5a.75.75 0 0 1 0 1.5h-3.5a.25.25 0 0 0-.25.25v8.5c0 .138.112.25.25.25h8.5a.25.25 0 0 0 .25-.25v-3.5a.75.75 0 0 1 1.5 0v3.5A1.75 1.75 0 0 1 12.25 14h-8.5A1.75 1.75 0 0 1 2 12.25v-8.5C2 2.784 2.784 2 3.75 2Zm6.854-1h4.146a.25.25 0 0 1 .25.25v4.146a.25.25 0 0 1-.427.177L13.03 4.03 9.28 7.78a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042l3.75-3.75-1.543-1.543A.25.25 0 0 1 10.604 1Z&quot;&gt;&lt;/path&gt;&lt;/svg&gt; Adfinis Blog: How to Manage Secret Keys with HashiCorp Vault&lt;/a&gt;&lt;/p&gt;
</description>
        <pubDate>Tue, 20 Jul 2021 00:00:00 +0000</pubDate>
        <link>/2021/vault-kms/</link>
        <guid isPermaLink="true">/2021/vault-kms/</guid>
        
        
        <category>blog</category>
        
      </item>
    
      <item>
        <title>Database Clustering with Galera Cluster and Galera Manager</title>
        <description>&lt;p&gt;&lt;a href=&quot;https://www.adfinis.com/en/news/database-clustering-with-galera-cluster-and-galera-manager&quot;&gt;&lt;svg class=&quot;octicon octicon-link-external&quot; viewBox=&quot;0 0 16 16&quot; version=&quot;1.1&quot; width=&quot;16&quot; height=&quot;16&quot; aria-hidden=&quot;true&quot;&gt;&lt;path d=&quot;M3.75 2h3.5a.75.75 0 0 1 0 1.5h-3.5a.25.25 0 0 0-.25.25v8.5c0 .138.112.25.25.25h8.5a.25.25 0 0 0 .25-.25v-3.5a.75.75 0 0 1 1.5 0v3.5A1.75 1.75 0 0 1 12.25 14h-8.5A1.75 1.75 0 0 1 2 12.25v-8.5C2 2.784 2.784 2 3.75 2Zm6.854-1h4.146a.25.25 0 0 1 .25.25v4.146a.25.25 0 0 1-.427.177L13.03 4.03 9.28 7.78a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042l3.75-3.75-1.543-1.543A.25.25 0 0 1 10.604 1Z&quot;&gt;&lt;/path&gt;&lt;/svg&gt; Adfinis Blog: Database Clustering with Galera Cluster and Galera Manager&lt;/a&gt;&lt;/p&gt;
</description>
        <pubDate>Mon, 08 Mar 2021 00:00:00 +0000</pubDate>
        <link>/2021/galera-manager/</link>
        <guid isPermaLink="true">/2021/galera-manager/</guid>
        
        
        <category>blog</category>
        
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