a b/third_party/nucleus/testdata/unindexed.fasta 

  1
  
>chrM





  
  

  2
  
GATCACAGGTCTATCACCCTATTaaCCACTCACGGGAGCTCTCCATGCAT





  
  

  3
  
TTGGTATTTTCGTCTGGGGGGTGTGCACGCGATAGCATTGCGAGACGCTG





  
  

  4
  
>chr1 single_word_description





  
  

  5
  
ACCACCATCCTCCGTGAAATCAATATCCCGCACAAGAGTGCTACTCTCCT





  
  

  6
  
AAATCCCTTCTCGTCCCCATGGATGA





  
  

  7
  
>chr2 multi-word description is here





  
  

  8
  
CGCTNCGGGCCCATAACACTTGGGGGTAGCTAAAGTGAACTGTATCCGAC





  
  

  9
  
ATCTGGTTCCTACTTCAGGGCCATAAAGCCTAAATAGCCCACACGTTCCC





  
  

  10
  
CTTAAATAAGACATCACGATG