chrom: chr19_GL949753v2_alt
length: 796479
nucleotide_counts:
  A: 170887
  C: 166506
  G: 168540
  N: 120000
  T: 170546
nucleotide_pair_counts:
  AA: 47243
  AC: 34278
  AG: 52353
  AN: 0
  AT: 37013
  CA: 50606
  CC: 51015
  CG: 13945
  CN: 3
  CT: 50937
  GA: 43972
  GC: 37969
  GG: 51788
  GN: 0
  GT: 34811
  NA: 1
  NC: 0
  NG: 2
  NN: 119997
  NT: 0
  TA: 29065
  TC: 43244
  TG: 50452
  TN: 0
  TT: 47784
