>hg38:chr21:15423763-15423975 CACTCCAGACACGAGTTTTAAGATAGTTCTTGCATATAGCTAGAGCTTGATAAATGTCTG CAGCACAAATTCTAAAGAGTTTACTTGCAGGCATTGCAGTGAATGAAAAGAATCCTCAGT GGGAAAGCCTGAGACAATGAGAGTACCTTAAAAGCTTGCAGAGAAAGATTAGCATTAAAA TGGCTTCGGAATTACTGATAGCCTCCCTGGAAG