bp_test/out/substitute_vals.out.1

   1 SEQ: AGNCTTTTCATTCTGACTGCAACGGGCAATACCTGCCGTGAGTAAATNNN
   2 SEQ_LEN: 0
   3 SEQ_NAME: test
   4 ---
   5 SEQ: TGGGCGTTNNNNNGCAGGTAAATAGGCTTCTGTNNGACGTACTATAACGT
   6 SEQ_LEN: 0
   7 SEQ_NAME: test
   8 ---
   9 SEQ: NNNNATAGTACTACAGTAACGAAAGTCNNGGATTTTTCTGAAGAGCTTTA
  10 SEQ_LEN: 0
  11 SEQ_NAME: test
  12 ---