--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test-data/rich-dense.biom	Mon Apr 04 10:28:11 2022 +0000
@@ -0,0 +1,55 @@
+{
+ "id":null,
+ "format": "Biological Observation Matrix 0.9.1-dev",
+ "format_url": "http://biom-format.org/documentation/format_versions/biom-1.0.html",
+ "type": "OTU table",
+ "generated_by": "QIIME revision 1.4.0-dev",
+ "date": "2011-12-19T19:00:00",
+ "rows":[
+    {"id":"GG_OTU_1", "metadata":{"taxonomy":["k__Bacteria", "p__Proteobacteria", "c__Gammaproteobacteria", "o__Enterobacteriales", "f__Enterobacteriaceae", "g__Escherichia", "s__"]}},
+    {"id":"GG_OTU_2", "metadata":{"taxonomy":["k__Bacteria", "p__Cyanobacteria", "c__Nostocophycideae", "o__Nostocales", "f__Nostocaceae", "g__Dolichospermum", "s__"]}},
+    {"id":"GG_OTU_3", "metadata":{"taxonomy":["k__Archaea", "p__Euryarchaeota", "c__Methanomicrobia", "o__Methanosarcinales", "f__Methanosarcinaceae", "g__Methanosarcina", "s__"]}},
+    {"id":"GG_OTU_4", "metadata":{"taxonomy":["k__Bacteria", "p__Firmicutes", "c__Clostridia", "o__Halanaerobiales", "f__Halanaerobiaceae", "g__Halanaerobium", "s__Halanaerobiumsaccharolyticum"]}},
+    {"id":"GG_OTU_5", "metadata":{"taxonomy":["k__Bacteria", "p__Proteobacteria", "c__Gammaproteobacteria", "o__Enterobacteriales", "f__Enterobacteriaceae", "g__Escherichia", "s__"]}}
+    ],
+ "columns":[
+    {"id":"Sample1", "metadata":{
+                             "BarcodeSequence":"CGCTTATCGAGA",
+                             "LinkerPrimerSequence":"CATGCTGCCTCCCGTAGGAGT",
+                             "BODY_SITE":"gut",
+                             "Description":"human gut"}},
+    {"id":"Sample2", "metadata":{
+                             "BarcodeSequence":"CATACCAGTAGC",
+                             "LinkerPrimerSequence":"CATGCTGCCTCCCGTAGGAGT",
+                             "BODY_SITE":"gut",
+                             "Description":"human gut"}},
+    {"id":"Sample3", "metadata":{
+                             "BarcodeSequence":"CTCTCTACCTGT",
+                             "LinkerPrimerSequence":"CATGCTGCCTCCCGTAGGAGT",
+                             "BODY_SITE":"gut",
+                             "Description":"human gut"}},
+    {"id":"Sample4", "metadata":{
+                             "BarcodeSequence":"CTCTCGGCCTGT",
+                             "LinkerPrimerSequence":"CATGCTGCCTCCCGTAGGAGT",
+                             "BODY_SITE":"skin",
+                             "Description":"human skin"}},
+    {"id":"Sample5", "metadata":{
+                             "BarcodeSequence":"CTCTCTACCAAT",
+                             "LinkerPrimerSequence":"CATGCTGCCTCCCGTAGGAGT",
+                             "BODY_SITE":"skin",
+                             "Description":"human skin"}},
+    {"id":"Sample6", "metadata":{
+                             "BarcodeSequence":"CTAACTACCAAT",
+                             "LinkerPrimerSequence":"CATGCTGCCTCCCGTAGGAGT",
+                             "BODY_SITE":"skin",
+                             "Description":"human skin"}}
+            ],
+ "matrix_type": "dense",
+ "matrix_element_type": "int",
+ "shape": [5,6],
+ "data":  [[0,0,1,0,0,0],
+           [5,1,0,2,3,1],
+           [0,0,1,4,2,0],
+           [2,1,1,0,0,1],
+           [0,1,1,0,0,0]]
+}