Certain seeds cause features to repeat

Summary

Structures and world features are repeating diagonally.

Steps to Reproduce...

One example of repeating features:

1. Create a world with seed 1669320484.
2. /tp -3439 99 2148

What I Excepted to Happen Was...

World generation should be random

What Actually Happened Was...

Some world features are repeated in a pattern, examples are small sections of coral reefs that repeat over and over.

Notes

A video has been uploaded that demonstrates the issue far better than I can in text:
This Seed Makes EVERYTHING Repeat... Including Ancient Debris!?

Original Description:

this seed:1669320484 infinite loop at specific 
at -3439   ~   2148
and 134  ~    54