K562_3_RNA_filtered_counts.tsv.gz
 329292 GGGGGGGGGG
  19687 TGTTCACCGG
   3761 GGGGGGGGGC
   3014 CCCCCCCCCC
   2842 GGGGGGGGGT
   2672 CGGGGGGGGG
   2429 GGGGGGGGCG
   2421 CCGCCCCCCC
   2344 GTGGGGGGGG
   1997 TGTTAACCGG