diff --git a/src/blob-path.ts b/src/blob-path.ts
new file mode 100644
index 0000000..2a64d03
--- /dev/null
+++ b/src/blob-path.ts
@@ -0,0 +1,51 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2023-2024 Tracehub.git
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/**
+ * Path.
+ */
+export class BlobPath implements Scalar<string | undefined> {
+
+  /**
+   * Ctor.
+   * @param body Body
+   */
+  constructor(private readonly body: string | undefined) {
+  }
+
+  value(): string | undefined {
+    const pattern = /https:\/\/github\.com\/[^/]+\/[^/]+\/blob\/[^/]+\/(.+)/;
+    const match = this.body?.match(pattern);
+    let path;
+    if (match) {
+      const full = match[1];
+      path = full.split("#")[0];
+    } else {
+      throw new Error(
+        `Asset body ${this.body} does not contain puzzle blob, regex: ${pattern}`
+      );
+    }
+    return path;
+  }
+}
diff --git a/src/blob.ts b/src/blob.ts
index ee63e8d..cd95b85 100644
--- a/src/blob.ts
+++ b/src/blob.ts
@@ -33,12 +33,12 @@ export class Blob implements Scalar<Promise<string[]>> {
    * Ctor.
    * @param github GitHub
    * @param issue Issue
-   * @param body Report body
+   * @param path Path
    */
   constructor(
     private readonly github: Octokit,
     private readonly issue: Issue,
-    private readonly body: string | undefined
+    private readonly path: Scalar<string | undefined>
   ) {
   }
 
@@ -46,30 +46,20 @@ export class Blob implements Scalar<Promise<string[]>> {
    * As text.
    */
   async value(): Promise<string[]> {
-    const {data} = await this.github.repos.get(
-      {
-        owner: this.issue.owner,
-        repo: this.issue.repo
-      }
-    );
-    const pattern = /https:\/\/github\.com\/[^/]+\/[^/]+\/blob\/[^/]+\/(.+)/;
-    const match = this.body?.match(pattern);
-    if (match) {
-      const full = match[1];
-      const path = full.split("#")[0];
-
-
+      const {data} = await this.github.repos.get(
+        {
+          owner: this.issue.owner,
+          repo: this.issue.repo
+        }
+      );
       const response = await this.github.repos.getContent({
         owner: this.issue.owner,
         repo: this.issue.repo,
         ref: data.default_branch,
-        path: path
+        path: String(this.path.value())
       });
       const encoded = JSON.parse(JSON.stringify(response.data)).content;
       const decoded = Base64.decode(encoded);
       return decoded.split('\n');
-    } else {
-      throw new Error(`Asset ${this.body} does not contain puzzle blob, regex ${pattern}`);
-    }
   }
 }
diff --git a/src/main.ts b/src/main.ts
index 472a1a6..ff9446d 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -100,6 +100,7 @@ async function run() {
           throw new Error(reason);
         }
         if (new Puzzled(body).value()) {
+          console.log(`Puzzle found: ${body}`)
           await new Pdd(octokit, issue, body).run();
         }
         const openai = core.getInput("openai_token");
diff --git a/src/pdd.ts b/src/pdd.ts
index ca2c03d..fd039e4 100644
--- a/src/pdd.ts
+++ b/src/pdd.ts
@@ -24,7 +24,7 @@
 import {Ranged} from "./ranged";
 import {Blob} from "./blob";
 import {Octokit} from "@octokit/rest";
-import {blob} from "node:stream/consumers";
+import {BlobPath} from "./blob-path";
 
 /**
  * PDD routine.
@@ -49,9 +49,8 @@ export class Pdd {
    */
   async run() {
     const puzzle = await new Ranged(
-      new Blob(this.github, this.issue, this.body),
-      "1-5" // from parsed link
-      // /https://github.com/tracehubpm/tracehub/blob/8d2aca048e33a5c9d83a49af4246c9ad7fde9998/src/main/java/git/tracehub/tk/TkGitHub.java#L150-L156
+      new Blob(this.github, this.issue, new BlobPath(this.body)),
+      "1-5"
     ).value();
     console.log(puzzle);
   }