Repeat unit T/A repeats 13 times in the reference sequence.
...AGTCTAGGAACCCTTGAAGCAGGGTATTCTATGCACGTTCTCAAATTTGAGATTCCAGACAAGGCATTGGGAACAGAACCACTGGTCTCAGTTGTATCCT
GCTACAAAGAGGGAACAGATTTTTTTTTTTTTGTAAATAACCACATTGCCATAAGAATACATGTGAACAGTTTCCAAATTTTGGAGGGATCGAGTAGGGA
GAAAAAGCAAATGTTTTTACTTTTGTTTTCACAGAAGTATACTTTACCAGAT...