I had a cluster with three nodes. The keyspaces have a replication factor of three. I am using vnodes with 8 tokens. Each node owns 100% of data. So far so good. I added a fourth node. I ran a nodetool repair and nodetool cleanup on all the nodes. Now the new node owns 30% of the data another node owns 70% and the other two owns 100% of the data. How can I balance this cluster?