"F2L" meaning in English

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      "expansion": "F2L (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "source": "w"
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Rubik's Cube",
          "orig": "en:Rubik's Cube",
          "parents": [
            "Games",
            "Toys",
            "Recreation",
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
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          "source": "w"
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      ],
      "glosses": [
        "First two layers"
      ],
      "id": "en-F2L-en-noun-~-0jX-nX",
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          "Rubik's Cube",
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        "(Rubik's Cube) First two layers"
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      "topics": [
        "Rubik's-Cube",
        "games"
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    }
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  "word": "F2L"
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  "lang_code": "en",
  "pos": "noun",
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        "First two layers"
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          "Rubik's Cube",
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        "(Rubik's Cube) First two layers"
      ],
      "tags": [
        "uncountable"
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      "topics": [
        "Rubik's-Cube",
        "games"
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  "word": "F2L"
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