This seed generates a mansion in the swamp, which is a very unusual place for such a structure in Minecraft. They usually appear in dark forests. To find this place, go to the coordinates -900 ~ -850. On the way you can find a village
How to use Mansion in the Swamp seed
- Launch Minecraft
- Start the Singleplayer mode
- Select ‘Create New World’
- Then click on ‘More World Options…’
- In the ‘Seed for the World generation’ field, enter 779223032310378948
- Click the ‘Create New World’ button
- Start to explore the generated map