Seed 2 Dungeons 1.13+

-279/-1447 - Spider spawner
Melon Seeds, Name Tag, String, Bones, Cat Song

-420/-1516 - Spider spawner
Wheat, Zombie flesh, Cat song, Gunpower, Redstone

-138/-1299 - Zombie spawner
Gunpower, Wheat, Coal, Bones, Cat song, 13 Song

-52-1443 - Zombie spawner
Horse armour, Saddle, String, Gold, Zombie flesh, Pumpkin seeds, Name tag, Melon seeds, Bucket, 13 song, Bones

116/-1433 Spider Spawner
Gold, Iron, Bones, Golden apple, Gunpowder