{
  "model": "T136 own finite-code channels with noisy flags and explicit detection costs.\n\nLoss event = local trace-and-replace by I/2 (uniform Pauli mixture). Flags\ndepend on event occurrence, not logical content. All outcomes retained.\nML means maximum entanglement fidelity among syndrome-conditioned Pauli\nrecoveries for the specified independent noise, not a general optimal CPTP map.\nCost contrast fixes final time T=1: sample at T-delta, wait delta for flags,\nnew losses in that window unflagged; optional extra Z control noise beta.\nThis is not the microscopic Yb or dual-rail experiment.\n",
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    "n": 5,
    "k": 1,
    "distance": 3
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  "code4": {
    "n": 4,
    "k": 2,
    "distance": 2
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