Requires:

{
  "or": [
    "h_canDestroyBombWalls",
    {
      "obstaclesCleared": [
        "B"
      ]
    }
  ]
}

Exit condition:

{
  "leaveWithRunway": {
    "length": 19,
    "openEnd": 1,
    "steepUpTiles": 1,
    "steepDownTiles": 1
  }
}