{
	"type": "minecraft:random_patch",
	"config": {
		"feature": {
			"feature": {
				"type": "minecraft:block_column",
				"config": {
					"allowed_placement": {
						"type": "minecraft:matching_blocks",
						"blocks": "minecraft:air"
					},
					"direction": "up",
					"layers": [
						{
							"height": {
								"type": "minecraft:uniform",
								"value": {
									"max_inclusive": 4,
									"min_inclusive": 1
								}
							},
							"provider": {
								"type": "minecraft:simple_state_provider",
								"state": {
									"Name": "minecraft:basalt"
								}
							}
						}
					],
					"prioritize_tip": false
				}
			},
			"placement": [
				{
					"type": "minecraft:heightmap",
					"heightmap": "OCEAN_FLOOR"
				}
			]
		},
		"tries": 6,
		"xz_spread": 3,
		"y_spread": 1
	}
}