Large dripstone structures can be generated outside the caves

Large dripstone structures can be generated outside the caves, it happens very occasionally, these are the examples of this error that I have found in this Dripstone Caves single biome world.

Seed: 6418872267320769497
Coordinates: /execute in minecraft:overworld run tp @s -1274.41 80.68 225.93 745.74 8.49