>hg38:chr21:23420792-23421097 TGGAGTGCAGTGGCACGATCTCGGCTCACTGCAACCACCTCCTCCCGGGTTCAAGCGATT CTCCTGCCTCAGCCTCCCGAGTCGCTGGGATTACAGGCACCCACCCTACGCCTGGCTAAT TTTTTTGTATTTTTAGTAGAGACAGGGTTTCACCATGCTAGCCAGGATGGTCTTGATCCC CTGACCTCATGATCCTCCCGCCTCGGCTTCCCAAAGTGCTGGGATTACAGGTGTGAGCCA CCATGCCCGGCCAGACAGCCTTACATTTGTTATATTTTACAATGTATGTTTAGAAAACTA ATATAT