{
  "type": "minecraft:fossil",
  "config": {
    "fossil_processors": "minecraft:fossil_rot",
    "fossil_structures": [
      "minecraft:fossil/spine_1",
      "minecraft:fossil/spine_2",
      "minecraft:fossil/spine_3",
      "minecraft:fossil/spine_4",
      "minecraft:fossil/skull_1",
      "minecraft:fossil/skull_2",
      "minecraft:fossil/skull_3",
      "minecraft:fossil/skull_4"
    ],
    "max_empty_corners_allowed": 4,
    "overlay_processors": "minecraft:fossil_coal",
    "overlay_structures": [
      "minecraft:fossil/spine_1_coal",
      "minecraft:fossil/spine_2_coal",
      "minecraft:fossil/spine_3_coal",
      "minecraft:fossil/spine_4_coal",
      "minecraft:fossil/skull_1_coal",
      "minecraft:fossil/skull_2_coal",
      "minecraft:fossil/skull_3_coal",
      "minecraft:fossil/skull_4_coal"
    ]
  }
}