K562_1_RNA_filtered_counts.tsv.gz
 498158 GGGGGGGGGG
  43018 TGTTCACCGG
   5604 GGGGGGGGGC
   4820 CGGGGGGGGG
   4701 GGGGGGGGGT
   3854 TGTTAACCGG
   3826 GTGGGGGGGG
   3358 GGGGGGGGCG
   3322 CCCCCCCCCC
   3104 AAAAAAAAAA