chrom: chr17
length: 81195210
nucleotide_counts:
  A: 21159933
  C: 17727956
  G: 17700340
  N: 3400000
  T: 21206981
nucleotide_pair_counts:
  AA: 6566941
  AC: 3922049
  AG: 5728500
  AN: 0
  AT: 4942443
  CA: 5786120
  CC: 5039244
  CG: 1155600
  CN: 4
  CT: 5746988
  GA: 4692992
  GC: 4056193
  GG: 5022588
  GN: 1
  GT: 3928566
  NA: 2
  NC: 0
  NG: 5
  NN: 3399993
  NT: 0
  TA: 4113877
  TC: 4710470
  TG: 5793647
  TN: 2
  TT: 6588984
