{
    "0": "unlabeled",
    "1": "NAT",
    "2": "concrete-speedway-side",
    "3": "concrete-road-adj",
    "4": "grass",
    "5": "speedway-bricks",
    "6": "steel",
    "7": "steel-sidewalk",
    "8": "dark-bricks",
    "9": "road",
    "10": "rough-red-sidewalk",
    "11": "tiles-marble",
    "12": "red-bricks",
    "13": "REST"
}