PUZZLE #4078: Untitled Puzzle

bb84 learn difficulty: 5/7 reason author: system unsolved

DATA

Alice Bases	1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1
Bob Bases	1, 0, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0
Bob Results	0, 0, 0, 0, 1, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 0
Total Bits	`240`
Sifted Positions Sample	`0, 2, 4, 5, 7, 9, 10, 14, 18, 19`
Hint	`Identify positions where Alice's basis == Bob's basis. For each matching position i, that bit corresponds to answer bit (i mod 48). Collect all 48 answer bits, then group into 8-bit bytes and convert to ASCII characters.`
Answer Format	`lowercase letters, no spaces or punctuation`

{
  "type": "bb84",
  "alice_bases": [
    1,
    1,
    0,
    0,
    1,
    0,
    0,
    1,
    0,
    1,
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    0,
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    1,
    1,
    0,
    1,
    1,
    0,
    0,
    1,
    0,
    0,
    1,
    1
  ],
  "bob_bases": [
    1,
    0,
    0,
    1,
    1,
    0,
    1,
    1,
    1,
    1,
    1,
    1,
    1,
    0,
    1,
    1,
    1,
    0,
    1,
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    0,
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    1,
    1,
    1,
    1,
    1,
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    1,
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    0,
    1,
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    0,
    0,
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    1,
    1,
    1,
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    1,
    1,
    1,
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    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    1,
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    0,
    1,
    0,
    0,
    1,
    1,
    0,
    0,
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    1,
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    0,
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    1,
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    0,
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    1,
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    1,
    0,
    0,
    1,
    0,
    1,
    0,
    0,
    1,
    0,
    1,
    0
  ],
  "bob_results": [
    0,
    0,
    0,
    0,
    1,
    0,
    1,
    1,
    1,
    1,
    0,
    0,
    0,
    1,
    1,
    1,
    1,
    0,
    0,
    1,
    1,
    1,
    0,
    1,
    0,
    1,
    0,
    1,
    0,
    1,
    1,
    0,
    1,
    1,
    0,
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    1,
    0,
    1,
    1,
    0,
    0,
    0,
    0,
    0,
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    1,
    0,
    0,
    1,
    0,
    0,
    1,
    0,
    0,
    0,
    0,
    1,
    0,
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    0,
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    1,
    0,
    1,
    0,
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    1,
    0,
    1,
    1,
    1,
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    1,
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    1,
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    1,
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    1,
    1,
    1,
    1,
    1,
    1,
    0,
    1,
    1,
    0,
    1,
    0
  ],
  "total_bits": 240,
  "sifted_positions_sample": [
    0,
    2,
    4,
    5,
    7,
    9,
    10,
    14,
    18,
    19
  ],
  "hint": "Identify positions where Alice's basis == Bob's basis. For each matching position i, that bit corresponds to answer bit (i mod 48). Collect all 48 answer bits, then group into 8-bit bytes and convert to ASCII characters.",
  "answer_format": "lowercase letters, no spaces or punctuation"
}