{
  "id": 108200,
  "title": "Time to share the Solution",
  "content": "<p>I was kindly reminded that it might be a good time to share the solution for levels 3 and 4 or at least put some light how to get to it.</p>\n\n<p>I didn't have time to prepare good looking notebook, so just sharing most representative versions of my reverse engineering kernel:</p>\n\n<p>Difficulty 3:\n<a href=\"https://www.kaggle.com/elvenmonk/difficulty-4-reverse-engineering?scriptVersionId=19561133\">https://www.kaggle.com/elvenmonk/difficulty-4-reverse-engineering?scriptVersionId=19561133</a></p>\n\n<p>Difficulty 4:\n<a href=\"https://www.kaggle.com/elvenmonk/difficulty-4-reverse-engineering?scriptVersionId=20372068\">https://www.kaggle.com/elvenmonk/difficulty-4-reverse-engineering?scriptVersionId=20372068</a></p>\n\n<p>And the Notebook that produced the final Submission:\n<a href=\"https://www.kaggle.com/elvenmonk/ciphertext-challenge-iii-fast-level-3?scriptVersionId=19703771\">https://www.kaggle.com/elvenmonk/ciphertext-challenge-iii-fast-level-3?scriptVersionId=19703771</a></p>\n\n<p>P.S: Many thanks to <a href=\"/tarobxl\">@tarobxl</a> for neat and insightful Kernels and solution of Difficulty 2.</p>",
  "comments": [
    {
      "id": 622712,
      "author_name": "nbZee",
      "author_url": "",
      "post_date": "2019-09-10T01:59:40.657000",
      "content": "<p>I posted some hints for level 3 and 4 a couple of weeks ago, which I've just updated to include the solutions: <a href=\"https://www.kaggle.com/nbzee1/some-hints-for-levels-3-and-4-now-with-solutions\">https://www.kaggle.com/nbzee1/some-hints-for-levels-3-and-4-now-with-solutions</a></p>",
      "votes": 1,
      "replies": []
    },
    {
      "id": 624999,
      "author_name": "Eric Vos",
      "author_url": "",
      "post_date": "2019-09-12T15:56:53.943000",
      "content": "<p>Congratulation for solving the full challenge.\nMany thanks for sharing.</p>",
      "votes": 0,
      "replies": []
    }
  ],
  "comment_count": 2,
  "messages": [
    {
      "id": 622593,
      "postDate": "2019-09-09T21:22:17.550Z",
      "content": "<p>I was kindly reminded that it might be a good time to share the solution for levels 3 and 4 or at least put some light how to get to it.</p>\n\n<p>I didn't have time to prepare good looking notebook, so just sharing most representative versions of my reverse engineering kernel:</p>\n\n<p>Difficulty 3:\n<a href=\"https://www.kaggle.com/elvenmonk/difficulty-4-reverse-engineering?scriptVersionId=19561133\">https://www.kaggle.com/elvenmonk/difficulty-4-reverse-engineering?scriptVersionId=19561133</a></p>\n\n<p>Difficulty 4:\n<a href=\"https://www.kaggle.com/elvenmonk/difficulty-4-reverse-engineering?scriptVersionId=20372068\">https://www.kaggle.com/elvenmonk/difficulty-4-reverse-engineering?scriptVersionId=20372068</a></p>\n\n<p>And the Notebook that produced the final Submission:\n<a href=\"https://www.kaggle.com/elvenmonk/ciphertext-challenge-iii-fast-level-3?scriptVersionId=19703771\">https://www.kaggle.com/elvenmonk/ciphertext-challenge-iii-fast-level-3?scriptVersionId=19703771</a></p>\n\n<p>P.S: Many thanks to <a href=\"/tarobxl\">@tarobxl</a> for neat and insightful Kernels and solution of Difficulty 2.</p>",
      "rawMarkdown": "I was kindly reminded that it might be a good time to share the solution for levels 3 and 4 or at least put some light how to get to it.\n\nI didn't have time to prepare good looking notebook, so just sharing most representative versions of my reverse engineering kernel:\n\nDifficulty 3:\nhttps://www.kaggle.com/elvenmonk/difficulty-4-reverse-engineering?scriptVersionId=19561133\n\nDifficulty 4:\nhttps://www.kaggle.com/elvenmonk/difficulty-4-reverse-engineering?scriptVersionId=20372068\n\nAnd the Notebook that produced the final Submission:\nhttps://www.kaggle.com/elvenmonk/ciphertext-challenge-iii-fast-level-3?scriptVersionId=19703771\n\nP.S: Many thanks to @tarobxl for neat and insightful Kernels and solution of Difficulty 2.",
      "votes": 3
    },
    {
      "id": 622712,
      "postDate": "2019-09-10T01:59:40.657Z",
      "content": "<p>I posted some hints for level 3 and 4 a couple of weeks ago, which I've just updated to include the solutions: <a href=\"https://www.kaggle.com/nbzee1/some-hints-for-levels-3-and-4-now-with-solutions\">https://www.kaggle.com/nbzee1/some-hints-for-levels-3-and-4-now-with-solutions</a></p>",
      "rawMarkdown": "I posted some hints for level 3 and 4 a couple of weeks ago, which I've just updated to include the solutions: https://www.kaggle.com/nbzee1/some-hints-for-levels-3-and-4-now-with-solutions\n\n",
      "votes": 1
    },
    {
      "id": 624999,
      "postDate": "2019-09-12T15:56:53.943Z",
      "content": "<p>Congratulation for solving the full challenge.\nMany thanks for sharing.</p>",
      "rawMarkdown": "Congratulation for solving the full challenge.\nMany thanks for sharing."
    }
  ],
  "complete": true,
  "source": "live",
  "fetched_at": "2026-10-19T16:10:06Z",
  "competition_id": 15447,
  "competition_slug": "ciphertext-challenge-iii",
  "team_id": 3525228,
  "solution_url": "/competitions/ciphertext-challenge-iii/writeups/serhii-hrynko-time-to-share-the-solution"
}