This seed is very perfect for start to building an large city. Moreover in the sand village is only village have villagers and with some farm can be harvest. With that the food problem can be solved.
Minecraft PE Seed: 1405058635 – Three Villages
Spawn at the center of the sand village. Close the sand village is a two normal village. If haven’t the sand village you maybe will treat three village is a large village (or town), has been divided by a nice river.
Seeds : 1405058635 Work in PE ver0.9.0+ or ver0.9.5