This seed generates a stronghold with a 12-eyed End portal. You will find it at -1258 25 -934. The stronghold is located in the desert, between the shattered savanna (-1240 ~ -900) and the village (-1300 ~ -980), which has a forge and a desert pyramid.
How to use End Portal With 12 Eyes seed
Start the Singleplayer mode
Select ‘Create New World’
Then click on ‘More World Options…’
In the ‘Seed for the World generation’ field, enter 185640731491052962