>hg38:chr21:20816925-20817225 AGTATTTTTTTTTTTTTTTTTTTGAGACGGAGTCTCCCTCTGTCGCCCAGGCTGGAGTGC AGTGGCGCGATCTCGGCTCACCGCAAGCTCCGCCTCCCGGGTTCACGCCATTCTCCTGCC TCAGCTTCCCGAGTAGCTGGGACTACAGGCGCCCGCCACCACGCCCGGCTAATTTTTCCT ATTTTTTAGTAGAGACGGGGTTTCACCGTGTTAGCCAGGATGGTCTCGATCTCCTGACCT CGTGATCTGCCCGCCTCGGCCTCCCACAGTGGTGGGATTACAGGCGTGAGCCACTGCGCC C