>hg38:chr21:27502070-27502374 ACCCCGTCTCTACTAAAAATACAAAAAAAAAAAAAAAATTAGCCGGGCGTCGTGGCGGAC ACCTGTAGTCCCAGCTACTCAGGAGGCTGAGGCAGGAGAATGGCATGAACCCGGGAGGCG GAGCTTGCAGTGAGCCGAAATCGCACCACCGCACTCCAATCTGGGCGACAGAGCAAGACT CTGCCTAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAATA TCACTTTAGACCCTGCAGACATTGAAAGAATAATAAGGAAATACTGATAATAACTTTATA CACAA