{
  "cases": [
    {
      "source": [
        0,
        32,
        64,
        96
      ],
      "packed": 27,
      "restored": [
        0,
        32,
        64,
        96
      ]
    },
    {
      "source": [
        128,
        160,
        192,
        224
      ],
      "packed": 27,
      "restored": [
        0,
        32,
        64,
        96
      ]
    },
    {
      "source": [
        31,
        63,
        95,
        127
      ],
      "packed": 27,
      "restored": [
        0,
        32,
        64,
        96
      ]
    },
    {
      "source": [
        255,
        255,
        255,
        255
      ],
      "packed": 255,
      "restored": [
        96,
        96,
        96,
        96
      ]
    }
  ],
  "scope": "Original BB90 packing and BBC6 restoration with synthetic included type 2 and excluded empty type 0. Restore stopped before BBFC variant-index regeneration. Confirms two-bit field persistence, not repair policy or full save/reload. Special high-bit restore templates not covered."
}