Minecraft wiki entry for Seed_(level_generation), associated text: In Bedrock Edition, the game rejects all numbers from -9 to +9.[3] However, changing the last character of the seed by one also changes the output hash code by one, so to arrive to a value of +2 from creashaks organzine, the last letter is advanced two positions to become creashaks organzing. The shortest version is still ddnqavb, followed by any other letter from a through s.‌[until BE 1.18.30]