#pg	level1	level2	level3
0	Bacteria	Firmicutes	Bacilli
1	various	various	various
2	Bacteria	Proteobacteria	various
3	unclassified	unclassified	unclassified
4	unclassified	unclassified	unclassified
5	unclassified	unclassified	unclassified
6	unclassified	unclassified	unclassified
