testdata/ref.fasta

   1 >chr1
   2 nnngtctacctcgagaagccccgacctctgaataagatctttgaacatctcaagggattgtgtatcttgttgggtgtacgcgcgccagcccgcagcatta
   3 ggagaactgtgctccgccttcaga
   4 ccccttgggtaaaatgccgcgcaatatgttgattacacttgctgcccatctgaaaggtcgccttatcaatcctatgctgaatgccctctaaggagttcca
   5 acacatgctagcgcgtcggggtgg
   6 tcgccgcatgggacatgttggggtcccgtagctccggtcgatgtaggcacgcgttttgccgaggagatagatcatcagctgacctatagattcgtctgtc
   7 gactctagcagagtggccagccac
   8 aaggtttatattcagtcgaaatggacgggtcccgaacttgcacggacctaacgggactcgcctttcgtaataaccgaacctctaggccgccgcgagatca
   9 cctcccgagccgagccacccgtca
  10 tgatagccatcccgcacctagcgcacggaacttcgaccgatcccatattaacgtgtctcttatcctcccgctactgcgtgccttgccactcgtttactat
  11 >chr2
  12 tttttatagcagtagcggttgcgataatgcgcactaaggtggccataacttagccacacagactgcgacctcggtgtcaatctttaggcgatgactagtg
  13 gttattaataataacttatcatca
  14 cttccggggaaactagcgtaaaaaccgccgtcgcagtataccaccttatacctgtgccactcaatacaggagttgctcagcccaagacaccaacgactaa
  15 gctctcaaaccttgtatttttctt
  16 atgtcctcgcttggattatggggactcgcagtaaatgacaaccgtgcccgctggccctggccggaccgcgcgtccgtaagtagcgatcgagtcctgcagt
  17 aaaactgatccaaaaaaaatacaa
  18 acaccacgtttataccctgttgagtcgccacgtaacgtattaacgtatgaacggcccggttttcttatctcgcaccgctagtttgccctggcggtcgtgg
  19 cctatgagtcaatcctattttcaa
  20 gatgagtatgtataaggcggcctgtcacgtgaaacctaggatacccaggtacctagggtcatttgctccccgttccccgcggcggacatccgaatatatc