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s3://zinc3d/zinc-22a/H25/H25P500/b/H25P500-N-aaaaab.db2.tgz
s3://zinc3d/zinc-22a/H25/H25P600/a/H25P600-N-aaaaaa.db2.tgz
s3://zinc3d/zinc-22a/H25/H25P700/a/H25P700-N-aaaaaa.db2.tgz