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  "id": "zh-spot-difference-0021-1oylvv",
  "type": "spot-difference",
  "locale": "zh",
  "slug": "spot-difference-hard-0021",
  "title": "找不同挑战 021",
  "description": "找不同 hard 难度谜题，可在线游玩，也可打印，并可直接用于 App WebView。",
  "difficulty": "hard",
  "seed": "playonepage-v1-zh-spot-difference-21",
  "sequence": 21,
  "tags": [
    "spot-difference",
    "hard",
    "zh"
  ],
  "audience": "全年龄",
  "createdAt": "2026-05-30T00:00:00.000Z",
  "print": {
    "title": "找不同挑战 021",
    "instructions": "找出两幅图之间的所有不同。"
  },
  "routes": {
    "json": "/puzzles/v1/zh/spot-difference/zh-spot-difference-0021-1oylvv.json",
    "embed": "/embed/v1/zh/spot-difference/zh-spot-difference-0021-1oylvv.html",
    "web": "/zh/puzzles/spot-difference/spot-difference-hard-0021/"
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