>hg38:chr21:16555905-16556068 ATTTTATTGTTTCTGTGGATTTTTGTTTGTTTGTTTTTCTAGATGGAGTCTCGCTCTGCC GCCCAGGCTGGAGTGCAGTGGCGCTATCTCAGCTCACTGCAGGCCCCGCCTCCCGGGTTC ACGCCATTCTCCTGCCTCAGCCTCCTGAGTAGCTGGGACTACAT