This is the awesome seed I've discovered. You can found any structure like Mineshaft, ruined portal, shipwreck and trial chambers. But, this seed has something special! You can found twin trial chamber here.
You will spawn near beach at position -64 64 -48. Change your gamemode to spectator to access underground structure like mineshaft, spawners, trial chambers, and more.
Here is the specified location:
- Mineshaft 1: -140 ~ -117
- Trial Chamber 1: -300 -15 -430
- Mineshaft 2: 150 ~ 170
- Ocean Monument: -700 ~ 130
You can find the map from the shipwreck to go to the twin trial chamber.
- Shipwreck: 14 49 95
- Underwater Ruined Portal: -450 ~ 140
You can also find the twin trial chambers by following the x on the map that you get in the shipwreck. After you find the hidden treasure, you can find the twin trial chambers at the bottom.
- Trial Chamber 2: 324 10 400
- Trial Chamber 3: 324 10 500
You can also check the specified location using website called Chunkbase.
Visit this link to open Chunkbase: https://v.af/sfmb
You watch this video for detailed information.
Seed code: fufufafa
Alternative seed code: 1168103828
Reference used: