I went and entered the seed -3702546 and i spawned in a tiaga and a cave with some coal and 4 iron. I thought i would delete the world but when i set sail to an island at 700 -400, (not far away!) i found a island with an ocean monument. OK... but this was AMAZING at this next part. So i went in the ocean because a creeper blew me up and my stuff flew into the deep ocean. And i went to grab my stuff when i see this, an END PORTAL ROOM! I go in and it is destroyed. No spawner, one end portal frame missing, lava pool spawned in it. So you will have to go into creative and fix that. Other than it, its PERFECT! Thats my seed with a TIAGA SPAWN! OCEAN MONUMENT! Wait, almost forgot. There is a mineshaft somewhere hidden. Fine, i wont hide it, close to the edge of the stronghold so you might not see it. So thats the seed of the TIAGA SPAWN! OCEAN MONUMENT NEAR MINESHAFT AND STRONGHOLD WITH A MESSED UP PORTAL ROOM AND STUFF!