Repeat unit A/T repeats 16 times in the reference sequence.
...GCCAAATGAGATGTGAAAAAAAATTTTGGTTTTCAGAGGTTTTTGGATTTTGGAATTGCACATAAGGGACTGTGGATGTGCGTATCAATTCCATGAATTA
GAAATGAGCAGAAAATGATAAAAAAAAAAAAAAAAGAACATGTTGACACATGAAAAACTATAACTATTAGCCTGGACAACATGGCGAAACTCCGTCTCTA
CCAAAAAATGCAAAAATTAGCTAGGCATGCTGGCATGCACTGGTAGTCCCAGCTA...