{
    "feature": "terralith:canyon/sandstone/moss_carpet",
    "placement": [
        {
            "type": "minecraft:count",
            "count": 120
        },
        {
            "type": "minecraft:in_square"
        },
        {
            "type": "minecraft:heightmap",
            "heightmap": "WORLD_SURFACE_WG"
        },
        {
            "type": "minecraft:block_predicate_filter",
            "predicate": {
                "type": "minecraft:matching_blocks",
                "blocks": [
                    "minecraft:moss_block"
                ],
                "offset": [
                    0,
                    -1,
                    0
                ]
            }
        },
        {
            "type": "minecraft:random_offset",
            "xz_spread": {
                "type": "minecraft:clamped_normal",
                "deviation": 3,
                "min_inclusive": -6,
                "max_inclusive": 6,
                "mean": 0
            },
            "y_spread": 0
        },
        {
            "type": "minecraft:heightmap",
            "heightmap": "WORLD_SURFACE_WG"
        },
        {
            "type": "minecraft:block_predicate_filter",
            "predicate": {
                "type": "minecraft:matching_blocks",
                "blocks": [
                    "minecraft:sand",
                    "minecraft:clay",
                    "minecraft:sandstone",
                    "minecraft:smooth_sandstone"
                ],
                "offset": [
                    0,
                    -1,
                    0
                ]
            }
        },
        {
            "type": "minecraft:biome"
        }
    ]
}