s3://zinc3d/zinc-22a/H20/H20M000/a/H20M000-N-aaaaaa.db2.tgz
s3://zinc3d/zinc-22a/H20/H20M000/b/H20M000-N-aaaaab.db2.tgz
s3://zinc3d/zinc-22a/H20/H20M100/a/H20M100-N-aaaaaa.db2.tgz
s3://zinc3d/zinc-22a/H20/H20M200/a/H20M200-N-aaaaaa.db2.tgz
s3://zinc3d/zinc-22a/H20/H20M400/a/H20M400-N-aaaaaa.db2.tgz