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This image shows the replication of three distinct shardspaces, A, B, and C, in vertical columns across three horizontal data centers, Datacenter 1, Datacenter 2, and Datacenter 3.
Shardspace A contains a set of 4 replicated shards, numbered 1, 4, 6, and 8. Shards 1 and 4 are located in Datacenter 1, shard 6 is in Datacenter 2, and shard 8 is in Datacenter 3.
Shardspace B contains a set of 3 replicated shards, numbered 2, 7, and 9. Shard 2 is located in Datacenter 1, shard 7 is in Datacenter 2, and shard 9 is in Datacenter 3.
Shardspace C contains a set of 3 replicated shards, numbered 3, 5, and 10. Shards 3 and 5 are located in Datacenter 1, and shard 10 is in Datacenter 3.