{
  "model": "us.anthropic.claude-sonnet-4-6",
  "n_runs": 5,
  "n_bootstrap": 10000,
  "servers": {
    "playwright": {
      "n_runs": 5,
      "n_bootstrap": 10000,
      "raw_runs": [
        {
          "run": 1,
          "tasks": [
            {
              "name": "fact_lookup",
              "success": true,
              "duration_s": 8.8,
              "tool_calls": 1,
              "bedrock_input_tokens": 22997,
              "bedrock_output_tokens": 177,
              "total_bedrock_tokens": 23174,
              "response_chars": 520742,
              "response_tokens_est": 130185,
              "result": "Based on the information from the Python Wikipedia page, here is what was found:\n\n**Creator:** Python was created by **Guido van Rossum**.\n\n**Year:** He began working on Python in the **late 1980s** (implementation started in December 1989), and it was first publicly released in **1991** (as Python 0.9.0 on 20 February 1991).\n",
              "error": null
            },
            {
              "name": "form_fill",
              "success": true,
              "duration_s": 14.6,
              "tool_calls": 3,
              "bedrock_input_tokens": 20024,
              "bedrock_output_tokens": 492,
              "total_bedrock_tokens": 20516,
              "response_chars": 4075,
              "response_tokens_est": 1018,
              "result": "The form was successfully filled out and submitted! Here's a summary of what was done and the confirmed response from the server:\n\n- **Customer name:** John Doe \u2705\n- **Pizza size:** Medium \u2705\n- **Topping:** Mushroom \u2705\n\nThe form was submitted to `https://httpbin.org/post`, and the server's JSON response confirms the submitted data:\n\n```json\n\"form\": {\n  \"custname\": \"John Doe\",\n  \"size\": \"medium\",\n  \"topping\": \"mushroom\"\n}\n```\n\nEverything was filled in and submitted correctly!\n",
              "error": null
            },
            {
              "name": "multi_page_extract",
              "success": true,
              "duration_s": 8.3,
              "tool_calls": 1,
              "bedrock_input_tokens": 24090,
              "bedrock_output_tokens": 176,
              "total_bedrock_tokens": 24266,
              "response_chars": 58392,
              "response_tokens_est": 14598,
              "result": "Here are the titles of the top 5 stories on Hacker News:\n\n1. **Keep Android Open** (f-droid.org)\n2. **Turn Dependabot Off** (filippo.io)\n3. **Meta Deployed AI and It Is Killing Our Agency** (mojodojo.io)\n4. **I found a Vulnerability. They found a Lawyer** (dixken.de)\n5. **Facebook is cooked** (pilk.website)\n",
              "error": null
            },
            {
              "name": "search_navigate",
              "success": true,
              "duration_s": 12.2,
              "tool_calls": 2,
              "bedrock_input_tokens": 56031,
              "bedrock_output_tokens": 276,
              "total_bedrock_tokens": 56307,
              "response_chars": 519241,
              "response_tokens_est": 129810,
              "result": "The search took me directly to the Rust (programming language) Wikipedia article. From the article's content, I can clearly see the answer:\n\nAccording to the Wikipedia article, Rust was originally developed by **Mozilla**. Software developer Graydon Hoare created Rust in 2006 while working at Mozilla, and Mozilla officially sponsored the project in 2009.\n",
              "error": null
            },
            {
              "name": "deep_navigation",
              "success": true,
              "duration_s": 7.6,
              "tool_calls": 1,
              "bedrock_input_tokens": 12515,
              "bedrock_output_tokens": 96,
              "total_bedrock_tokens": 12611,
              "response_chars": 14875,
              "response_tokens_est": 3718,
              "result": "The latest release version of **anthropics/claude-code** on GitHub is **v2.1.50**.\n",
              "error": null
            },
            {
              "name": "content_analysis",
              "success": true,
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              "tool_calls": 1,
              "bedrock_input_tokens": 8271,
              "bedrock_output_tokens": 214,
              "total_bedrock_tokens": 8485,
              "response_chars": 485,
              "response_tokens_est": 121,
              "result": "Here's the page structure of **example.com**:\n\n- **Headings: 1**\n  - H1: \"Example Domain\"\n\n- **Paragraphs: 2**\n  - \"This domain is for use in documentation examples without needing permission. Avoid use in operations.\"\n  - A second paragraph containing the \"Learn more\" link.\n\n- **Links: 1**\n  - \"Learn more\" \u2192 points to https://iana.org/domains/example\n\nIn summary, it's a very minimal page with **1 heading**, **2 paragraphs**, and **1 link**.\n",
              "error": null
            }
          ],
          "summary": {
            "total_tasks": 6,
            "passed": 6,
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            "avg_tool_calls": 1.5,
            "bedrock_input_tokens": 143928,
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        },
        {
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          "tasks": [
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              "name": "fact_lookup",
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              "duration_s": 8.7,
              "tool_calls": 1,
              "bedrock_input_tokens": 22994,
              "bedrock_output_tokens": 179,
              "total_bedrock_tokens": 23173,
              "response_chars": 520742,
              "response_tokens_est": 130185,
              "result": "From the Wikipedia page, the answer is clearly visible in the infobox and the article text:\n\nPython was created by **Guido van Rossum**, and it first appeared on **20 February 1991**. Van Rossum began working on Python in the **late 1980s** (implementation started in December 1989), and the first public release (Python 0.9.0) was made in **1991**.\n",
              "error": null
            },
            {
              "name": "form_fill",
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              "duration_s": 14.1,
              "tool_calls": 3,
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              "bedrock_output_tokens": 499,
              "total_bedrock_tokens": 20525,
              "response_chars": 4075,
              "response_tokens_est": 1018,
              "result": "The form was filled out and submitted successfully! Here's a summary of what was done and the result:\n\n- **Customer Name:** John Doe \u2705\n- **Pizza Size:** Medium \u2705\n- **Topping:** Mushroom \u2705\n- **Form Submitted:** \u2705\n\nThe form was posted to `https://httpbin.org/post`, and the server's response confirms the submitted data:\n\n```json\n\"form\": {\n  \"custname\": \"John Doe\",\n  \"size\": \"medium\",\n  \"topping\": \"mushroom\"\n}\n```\n\nAll fields were correctly captured and submitted by the server.\n",
              "error": null
            },
            {
              "name": "multi_page_extract",
              "success": true,
              "duration_s": 8.8,
              "tool_calls": 1,
              "bedrock_input_tokens": 24090,
              "bedrock_output_tokens": 176,
              "total_bedrock_tokens": 24266,
              "response_chars": 58392,
              "response_tokens_est": 14598,
              "result": "Here are the titles of the top 5 stories on Hacker News:\n\n1. **Keep Android Open** (f-droid.org)\n2. **Turn Dependabot Off** (filippo.io)\n3. **Meta Deployed AI and It Is Killing Our Agency** (mojodojo.io)\n4. **I found a Vulnerability. They found a Lawyer** (dixken.de)\n5. **Facebook is cooked** (pilk.website)\n",
              "error": null
            },
            {
              "name": "search_navigate",
              "success": true,
              "duration_s": 13.0,
              "tool_calls": 2,
              "bedrock_input_tokens": 56033,
              "bedrock_output_tokens": 312,
              "total_bedrock_tokens": 56345,
              "response_chars": 519241,
              "response_tokens_est": 129810,
              "result": "The search directly landed on the Rust (programming language) Wikipedia article. From the page content, I can clearly see the answer in the introductory paragraph:\n\n> \"Software developer Graydon Hoare created Rust in 2006 while working at **Mozilla**, which officially sponsored the project in 2009.\"\n\nRust was originally developed by **Mozilla**. It was created in 2006 by Mozilla employee Graydon Hoare as a personal project, and Mozilla officially sponsored it in 2009.\n",
              "error": null
            },
            {
              "name": "deep_navigation",
              "success": true,
              "duration_s": 7.7,
              "tool_calls": 1,
              "bedrock_input_tokens": 12515,
              "bedrock_output_tokens": 96,
              "total_bedrock_tokens": 12611,
              "response_chars": 14875,
              "response_tokens_est": 3718,
              "result": "The latest release version of **anthropics/claude-code** on GitHub is **v2.1.50**.\n",
              "error": null
            },
            {
              "name": "content_analysis",
              "success": true,
              "duration_s": 8.1,
              "tool_calls": 1,
              "bedrock_input_tokens": 8269,
              "bedrock_output_tokens": 204,
              "total_bedrock_tokens": 8473,
              "response_chars": 485,
              "response_tokens_est": 121,
              "result": "Here's the structure of **example.com**:\n\n- **Headings:** 1\n  - `<h1>`: \"Example Domain\"\n\n- **Paragraphs:** 2\n  - One containing a text blurb about the domain's purpose.\n  - One containing the \"Learn more\" link.\n\n- **Links:** 1\n  - \"Learn more\" \u2192 points to `https://iana.org/domains/example`\n\nIn summary, it's a very minimal page with **1 heading, 2 paragraphs, and 1 link**.\n",
              "error": null
            }
          ],
          "summary": {
            "total_tasks": 6,
            "passed": 6,
            "total_duration_s": 60.4,
            "total_tool_calls": 9,
            "avg_tool_calls": 1.5,
            "bedrock_input_tokens": 143927,
            "bedrock_output_tokens": 1466,
            "total_bedrock_tokens": 145393,
            "response_chars": 1117810,
            "response_tokens_est": 279452
          }
        },
        {
          "run": 3,
          "tasks": [
            {
              "name": "fact_lookup",
              "success": true,
              "duration_s": 8.8,
              "tool_calls": 1,
              "bedrock_input_tokens": 22994,
              "bedrock_output_tokens": 184,
              "total_bedrock_tokens": 23178,
              "response_chars": 520742,
              "response_tokens_est": 130185,
              "result": "Based on the information found directly in the Wikipedia infobox and article text, here is the answer:\n\n**Python was created by Guido van Rossum**, who conceived it in the **late 1980s** at Centrum Wiskunde & Informatica (CWI) in the Netherlands. Python implementation began in **December 1989**, and Van Rossum first publicly released it in **1991** as Python 0.9.0.\n",
              "error": null
            },
            {
              "name": "form_fill",
              "success": true,
              "duration_s": 13.6,
              "tool_calls": 3,
              "bedrock_input_tokens": 20021,
              "bedrock_output_tokens": 453,
              "total_bedrock_tokens": 20474,
              "response_chars": 4075,
              "response_tokens_est": 1018,
              "result": "The form was successfully filled out and submitted! Here's a summary of what was done and the confirmed results from the server response:\n\n- **Customer name:** `John Doe` \u2705\n- **Pizza size:** `medium` \u2705\n- **Topping:** `mushroom` \u2705\n\nThe form was submitted to `https://httpbin.org/post`, and the server echoed back the form data confirming all three fields were received correctly.\n",
              "error": null
            },
            {
              "name": "multi_page_extract",
              "success": true,
              "duration_s": 9.4,
              "tool_calls": 1,
              "bedrock_input_tokens": 24111,
              "bedrock_output_tokens": 198,
              "total_bedrock_tokens": 24309,
              "response_chars": 58395,
              "response_tokens_est": 14598,
              "result": "Here are the top 5 stories on Hacker News right now:\n\n1. **Keep Android Open** (f-droid.org)\n2. **Meta Deployed AI and It Is Killing Our Agency** (mojodojo.io)\n3. **Turn Dependabot Off** (filippo.io)\n4. **I found a Vulnerability. They found a Lawyer** (dixken.de)\n5. **Facebook is cooked** (pilk.website)\n",
              "error": null
            },
            {
              "name": "search_navigate",
              "success": true,
              "duration_s": 13.2,
              "tool_calls": 2,
              "bedrock_input_tokens": 56029,
              "bedrock_output_tokens": 319,
              "total_bedrock_tokens": 56348,
              "response_chars": 519241,
              "response_tokens_est": 129810,
              "result": "The search directly navigated to the Rust (programming language) Wikipedia article. From the infobox and the introductory text, I can clearly see the answer.\n\nThe article states in the third paragraph: *\"Software developer Graydon Hoare created Rust in 2006 while working at **Mozilla**, which officially sponsored the project in 2009.\"*\n\nRust was originally developed by **Mozilla**. It was created by Mozilla employee Graydon Hoare in 2006 as a personal project, and Mozilla officially sponsored it",
              "error": null
            },
            {
              "name": "deep_navigation",
              "success": true,
              "duration_s": 7.9,
              "tool_calls": 1,
              "bedrock_input_tokens": 12515,
              "bedrock_output_tokens": 93,
              "total_bedrock_tokens": 12608,
              "response_chars": 14875,
              "response_tokens_est": 3718,
              "result": "The latest release version of **claude-code** on GitHub is **v2.1.50**.\n",
              "error": null
            },
            {
              "name": "content_analysis",
              "success": true,
              "duration_s": 7.8,
              "tool_calls": 1,
              "bedrock_input_tokens": 8269,
              "bedrock_output_tokens": 204,
              "total_bedrock_tokens": 8473,
              "response_chars": 485,
              "response_tokens_est": 121,
              "result": "Here's the structure of **example.com**:\n\n- **Headings:** 1\n  - `<h1>`: \"Example Domain\"\n\n- **Paragraphs:** 2\n  - One containing a text blurb about the domain's purpose.\n  - One containing the \"More information...\" link.\n\n- **Links:** 1\n  - \"Learn more\" \u2192 points to `https://iana.org/domains/example`\n\nIn summary, it's a very minimal page with **1 heading**, **1 link**, and **2 paragraphs**.\n",
              "error": null
            }
          ],
          "summary": {
            "total_tasks": 6,
            "passed": 6,
            "total_duration_s": 60.7,
            "total_tool_calls": 9,
            "avg_tool_calls": 1.5,
            "bedrock_input_tokens": 143939,
            "bedrock_output_tokens": 1451,
            "total_bedrock_tokens": 145390,
            "response_chars": 1117813,
            "response_tokens_est": 279453
          }
        },
        {
          "run": 4,
          "tasks": [
            {
              "name": "fact_lookup",
              "success": true,
              "duration_s": 8.5,
              "tool_calls": 1,
              "bedrock_input_tokens": 22992,
              "bedrock_output_tokens": 173,
              "total_bedrock_tokens": 23165,
              "response_chars": 520742,
              "response_tokens_est": 130185,
              "result": "Based on the information found directly in the Wikipedia infobox and article text, here is the answer:\n\n**Python was created by Guido van Rossum**, and he began working on it in **the late 1980s** (implementation started in **December 1989**). It was first publicly released in **1991** (as Python 0.9.0 on **20 February 1991**).\n",
              "error": null
            },
            {
              "name": "form_fill",
              "success": true,
              "duration_s": 13.8,
              "tool_calls": 3,
              "bedrock_input_tokens": 20032,
              "bedrock_output_tokens": 468,
              "total_bedrock_tokens": 20500,
              "response_chars": 4075,
              "response_tokens_est": 1018,
              "result": "The form was successfully filled out and submitted! Here's a summary of what was done and the confirmed response from the server:\n\n- \u2705 **Customer name:** `John Doe`\n- \u2705 **Pizza size:** `medium`\n- \u2705 **Topping:** `mushroom`\n\nThe form was submitted to `https://httpbin.org/post`, and the server response confirms all the form data was received correctly in the `\"form\"` field of the JSON response.\n",
              "error": null
            },
            {
              "name": "multi_page_extract",
              "success": true,
              "duration_s": 8.8,
              "tool_calls": 1,
              "bedrock_input_tokens": 24088,
              "bedrock_output_tokens": 178,
              "total_bedrock_tokens": 24266,
              "response_chars": 58395,
              "response_tokens_est": 14598,
              "result": "Here are the titles of the top 5 stories on Hacker News right now:\n\n1. **Keep Android Open** (f-droid.org)\n2. **Meta Deployed AI and It Is Killing Our Agency** (mojodojo.io)\n3. **Turn Dependabot Off** (filippo.io)\n4. **I found a Vulnerability. They found a Lawyer** (dixken.de)\n5. **Facebook is cooked** (pilk.website)\n",
              "error": null
            },
            {
              "name": "search_navigate",
              "success": true,
              "duration_s": 12.0,
              "tool_calls": 2,
              "bedrock_input_tokens": 56025,
              "bedrock_output_tokens": 273,
              "total_bedrock_tokens": 56298,
              "response_chars": 519353,
              "response_tokens_est": 129838,
              "result": "The search directly navigated to the Rust (programming language) Wikipedia article. From the article's content, I can clearly see the answer:\n\nAccording to the Wikipedia article on Rust, the language was originally developed by **Mozilla**. Software developer Graydon Hoare created Rust in 2006 while working at Mozilla, and Mozilla officially sponsored the project in 2009.\n",
              "error": null
            },
            {
              "name": "deep_navigation",
              "success": true,
              "duration_s": 7.5,
              "tool_calls": 1,
              "bedrock_input_tokens": 12515,
              "bedrock_output_tokens": 93,
              "total_bedrock_tokens": 12608,
              "response_chars": 14875,
              "response_tokens_est": 3718,
              "result": "The latest release version of **claude-code** on GitHub is **v2.1.50**.\n",
              "error": null
            },
            {
              "name": "content_analysis",
              "success": true,
              "duration_s": 7.2,
              "tool_calls": 1,
              "bedrock_input_tokens": 8269,
              "bedrock_output_tokens": 210,
              "total_bedrock_tokens": 8479,
              "response_chars": 485,
              "response_tokens_est": 121,
              "result": "Here's the complete structure of **example.com**:\n\n- **Headings: 1**\n  - H1: \"Example Domain\"\n\n- **Paragraphs: 2**\n  - \"This domain is for use in documentation examples without needing permission. Avoid use in operations.\"\n  - A second paragraph containing the \"Learn more\" link.\n\n- **Links: 1**\n  - \"Learn more\" \u2192 https://iana.org/domains/example\n\nIn summary, it's a very minimal page with **1 heading**, **2 paragraphs**, and **1 link**.\n",
              "error": null
            }
          ],
          "summary": {
            "total_tasks": 6,
            "passed": 6,
            "total_duration_s": 57.8,
            "total_tool_calls": 9,
            "avg_tool_calls": 1.5,
            "bedrock_input_tokens": 143921,
            "bedrock_output_tokens": 1395,
            "total_bedrock_tokens": 145316,
            "response_chars": 1117925,
            "response_tokens_est": 279481
          }
        },
        {
          "run": 5,
          "tasks": [
            {
              "name": "fact_lookup",
              "success": true,
              "duration_s": 8.1,
              "tool_calls": 1,
              "bedrock_input_tokens": 22994,
              "bedrock_output_tokens": 175,
              "total_bedrock_tokens": 23169,
              "response_chars": 520742,
              "response_tokens_est": 130185,
              "result": "Based on the information found directly in the Wikipedia infobox and article text, here is the answer:\n\n**Python was created by Guido van Rossum**, and he began working on it in the **late 1980s** (implementation started in **December 1989**). It was first publicly released in **1991** (as Python 0.9.0 on **20 February 1991**).\n",
              "error": null
            },
            {
              "name": "form_fill",
              "success": true,
              "duration_s": 14.1,
              "tool_calls": 3,
              "bedrock_input_tokens": 20019,
              "bedrock_output_tokens": 506,
              "total_bedrock_tokens": 20525,
              "response_chars": 4075,
              "response_tokens_est": 1018,
              "result": "The form has been successfully filled out and submitted! Here's a summary of what was done:\n\n1. \u2705 **Customer name**: Filled in as **\"John Doe\"**\n2. \u2705 **Pizza Size**: Selected **Medium**\n3. \u2705 **Topping**: Checked **Mushroom**\n4. \u2705 **Form submitted** \u2014 The page redirected to `https://httpbin.org/post`, confirming the form was posted successfully.\n\nThe server response confirms the submitted form data:\n- `\"custname\": \"John Doe\"`\n- `\"size\": \"medium\"`\n- `\"topping\": \"mushroom\"`\n",
              "error": null
            },
            {
              "name": "multi_page_extract",
              "success": true,
              "duration_s": 9.5,
              "tool_calls": 1,
              "bedrock_input_tokens": 24111,
              "bedrock_output_tokens": 197,
              "total_bedrock_tokens": 24308,
              "response_chars": 58222,
              "response_tokens_est": 14555,
              "result": "Here are the top 5 stories currently on Hacker News:\n\n1. **Keep Android Open** (f-droid.org)\n2. **Meta Deployed AI and It Is Killing Our Agency** (mojodojo.io)\n3. **Turn Dependabot Off** (filippo.io)\n4. **I found a Vulnerability. They found a Lawyer** (dixken.de)\n5. **Facebook is cooked** (pilk.website)\n",
              "error": null
            },
            {
              "name": "search_navigate",
              "success": true,
              "duration_s": 14.0,
              "tool_calls": 2,
              "bedrock_input_tokens": 56034,
              "bedrock_output_tokens": 284,
              "total_bedrock_tokens": 56318,
              "response_chars": 519353,
              "response_tokens_est": 129838,
              "result": "The search took me directly to the Rust (programming language) Wikipedia article. From the article content, I can clearly see the answer in the introductory paragraph:\n\n**Mozilla** originally developed the Rust programming language. Specifically, software developer **Graydon Hoare** created Rust in 2006 while working at Mozilla, and Mozilla officially sponsored the project in 2009.\n",
              "error": null
            },
            {
              "name": "deep_navigation",
              "success": true,
              "duration_s": 7.9,
              "tool_calls": 1,
              "bedrock_input_tokens": 12515,
              "bedrock_output_tokens": 93,
              "total_bedrock_tokens": 12608,
              "response_chars": 14875,
              "response_tokens_est": 3718,
              "result": "The latest release version of **claude-code** on GitHub is **v2.1.50**.\n",
              "error": null
            },
            {
              "name": "content_analysis",
              "success": true,
              "duration_s": 8.0,
              "tool_calls": 1,
              "bedrock_input_tokens": 8268,
              "bedrock_output_tokens": 208,
              "total_bedrock_tokens": 8476,
              "response_chars": 485,
              "response_tokens_est": 121,
              "result": "Here's the structure of **example.com**:\n\n- **Headings: 1**\n  - `<h1>`: \"Example Domain\"\n\n- **Paragraphs: 2**\n  - One containing a brief description about the domain's purpose.\n  - One containing the \"Learn more\" link.\n\n- **Links: 1**\n  - \"Learn more\" \u2192 points to `https://iana.org/domains/example`\n\nIt's a very minimal page with just a single heading, two paragraphs, and one hyperlink \u2014 no navigation, images, or other structural elements.\n",
              "error": null
            }
          ],
          "summary": {
            "total_tasks": 6,
            "passed": 6,
            "total_duration_s": 61.6,
            "total_tool_calls": 9,
            "avg_tool_calls": 1.5,
            "bedrock_input_tokens": 143941,
            "bedrock_output_tokens": 1463,
            "total_bedrock_tokens": 145404,
            "response_chars": 1117752,
            "response_tokens_est": 279438
          }
        }
      ],
      "stats": {
        "duration_s": {
          "mean": 60.0,
          "std": 1.4,
          "ci_low": 58.8,
          "ci_high": 61.0,
          "bootstrap_mean": 60.0
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        "tool_calls": {
          "mean": 9.0,
          "std": 0.0,
          "ci_low": 9.0,
          "ci_high": 9.0,
          "bootstrap_mean": 9.0
        },
        "pass_count": {
          "mean": 6.0,
          "std": 0.0,
          "ci_low": 6.0,
          "ci_high": 6.0,
          "bootstrap_mean": 6.0
        },
        "bedrock_input_tokens": {
          "mean": 143931.2,
          "std": 8.5,
          "ci_low": 143924.8,
          "ci_high": 143937.6,
          "bootstrap_mean": 143931.2
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        "bedrock_output_tokens": {
          "mean": 1441.2,
          "std": 29.3,
          "ci_low": 1416.4,
          "ci_high": 1461.8,
          "bootstrap_mean": 1441.1
        },
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