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macwilliams-identities

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Computational search for the [22,6,13]₄ linear code over GF(4) — a 25-year open problem in coding theory. World record E*=1. 441+ engines, 2.5B+ evaluations, 12+ theorems. Freedom Theorem, Distance Theorem, Quantum Excess Conjecture. Proyecto Estrella, Madrid.

  • Updated Apr 20, 2026
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