{
  "type": "minecraft:sequence",
  "sequence": [
    {
      "type": "minecraft:condition",
      "if_true": {
        "type": "minecraft:biome",
        "biome_is": "minecraft:frozen_peaks"
      },
      "then_run": "minecraft:overworld/under_biome_surface/frozen_peaks"
    },
    {
      "type": "minecraft:condition",
      "if_true": {
        "type": "minecraft:biome",
        "biome_is": "minecraft:snowy_slopes"
      },
      "then_run": "minecraft:overworld/under_biome_surface/snowy_slopes"
    },
    {
      "type": "minecraft:condition",
      "if_true": {
        "type": "minecraft:biome",
        "biome_is": "minecraft:jagged_peaks"
      },
      "then_run": "minecraft:overworld/under_biome_surface/jagged_peaks"
    },
    {
      "type": "minecraft:condition",
      "if_true": {
        "type": "minecraft:biome",
        "biome_is": "minecraft:grove"
      },
      "then_run": "minecraft:overworld/under_biome_surface/grove"
    },
    {
      "type": "minecraft:sequence",
      "sequence": [
        {
          "type": "minecraft:condition",
          "if_true": {
            "type": "minecraft:biome",
            "biome_is": "minecraft:stony_peaks"
          },
          "then_run": "minecraft:overworld/biome_surface/stony_peaks"
        },
        {
          "type": "minecraft:condition",
          "if_true": {
            "type": "minecraft:biome",
            "biome_is": "minecraft:stony_shore"
          },
          "then_run": "minecraft:overworld/biome_surface/stony_shore"
        },
        {
          "type": "minecraft:condition",
          "if_true": {
            "type": "minecraft:biome",
            "biome_is": "minecraft:windswept_hills"
          },
          "then_run": "minecraft:overworld/biome_surface/windswept_hills"
        },
        {
          "type": "minecraft:condition",
          "if_true": {
            "type": "minecraft:biome",
            "biome_is": [
              "minecraft:warm_ocean",
              "minecraft:beach",
              "minecraft:snowy_beach"
            ]
          },
          "then_run": "minecraft:overworld/sand_or_sandstone_if_ceiling"
        },
        {
          "type": "minecraft:condition",
          "if_true": {
            "type": "minecraft:biome",
            "biome_is": "minecraft:desert"
          },
          "then_run": "minecraft:overworld/sand_or_sandstone_if_ceiling"
        },
        {
          "type": "minecraft:condition",
          "if_true": {
            "type": "minecraft:biome",
            "biome_is": "minecraft:dripstone_caves"
          },
          "then_run": "minecraft:overworld/biome_surface/dripstone_caves"
        },
        {
          "type": "minecraft:condition",
          "if_true": {
            "type": "minecraft:biome",
            "biome_is": "minecraft:sulfur_caves"
          },
          "then_run": "minecraft:overworld/biome_surface/sulfur_caves"
        },
        {
          "type": "minecraft:condition",
          "if_true": {
            "type": "minecraft:biome",
            "biome_is": "minecraft:mangrove_swamp"
          },
          "then_run": "minecraft:overworld/biome_surface/mangrove_swamp"
        }
      ]
    },
    {
      "type": "minecraft:condition",
      "if_true": {
        "type": "minecraft:biome",
        "biome_is": "minecraft:windswept_savanna"
      },
      "then_run": "minecraft:overworld/under_biome_surface/windswept_savanna"
    },
    {
      "type": "minecraft:condition",
      "if_true": {
        "type": "minecraft:biome",
        "biome_is": "minecraft:windswept_gravelly_hills"
      },
      "then_run": "minecraft:overworld/under_biome_surface/windswept_gravelly_hills"
    },
    "minecraft:overworld/under_biome_surface/default"
  ]
}