Repeat unit A/T repeats 15 times in the reference sequence.
...TCAAGTGATCTGCCCGCTTTGGCCTCCCAAAGTGCTAGGATTACAGGAGTGAGCCACCTCGACCAGCCTGGCCAAACATTTTAATAAATAGTTCTCTAAA
CATAATTATGTCTAGACAGTTTTTTTTTTTTTTTGAGGCAAGGTCTCACTCTGTCACCCAGGCTGGAGTAGAGTGGCGCGAGCCACCGTGCCCAGCTGAT
AATGGGTATTTTTAAACATTGAATGAGGTAGGCCAGGTGCAATGGCCCATGCCT...