Repeat unit -AAAA/TTTT- repeats 11 times in the reference sequence.
...CCAGCTACTCAGGAGGCTGAGGCAGGAGATTCACTTGAACCTGGGAGGCAGAGGTTGCAGTGAGCCGAGATTGCGCCACTGCACTCCAGTCTGGGCAACA
GAGCAAGACTCTGTTTCAAAAAAGAAAAGAAAAGAAAAGAAAAGAAAAGAAAAGAAAAGAAAAGAAAAGAAAAGAAAAAGCATGTTCTAAAGAGAATAGC
AACGGTGTAGCTGGAGTATCACTTGATAAAGAGATTATGGGATTATACAGGCAAAAACACTGTCAGTTTGAATTGAAGAGGATGGAGAAAGGACAAAA...