Repeat unit --AAA/TTT-- repeats 11 times in the reference sequence.
...CCCAGCTACTCGGGAGACTGAGGCAAGAGAATCGCTTGAACACGGGAGGCGGAGGTTGCAGGGAGCCAAGATCGTGCCATTGCACTCTAGCCTGGGCAAC
AAGAGCGAAACTCCGTCTCAAAATAAAATAAAATAAAATAAAATAAAATAAAATAAAATAAAATAAAATAAAATAAAGCCAAGCACAACGGCTCACGCCT
GTAATCCCAGACTTTGGGAGGCCGAGGTGGGCGGATCACCTGAGGTCAGGAGTTCGAGACCGGCCTGGGAAACATGGTGAAACTCCATCTCTACTAA...