>hg38:chr21:20263011-20263251 ATCCCAACATTTTGGGAGGCCGAAGCAGGTGAAGCGCGAGGTTAGGAGTTTGAGACCAGC CTGGCCAACATGGTGAAACTCCTTCTCTACTCAAAATACAAAAATTAGCTGGGCGTACTA GTGCGTGTCTGTCATCCCAGCTACTTGGGAGGCTGAGGCAGGAGAATTGCTTGAACCTGG GAGGCAGAGGTTGCAGTGAGCCGAGATCGCATCCCTGCGCCACTGCACTCCAGCCCGCGC G