Repeat unit AAAAT/ATTTT repeats 18 times in the reference sequence.
...ACCAAACACATTGCATGTTTCAGACTGTGTTAGATGAGGCCATCCAGATTATGTGGAGCTCCAAAGCCCTGGCTAATGACTTGGATTTCATCCTGGGATC
AATGAGCAACTATTAAAGCATTTTATTTTATTTTATTTTATTTTATTTTATTTTATTTTATTTTATTTTATTTTATTTTATTTTATTTTATTTTATTTTA
TTTTATTTTATTTACTTATTTATTTAGAGATAGAGTCTTGCTCTGTCGCCCAGGCTGGAGTGCAGTTGTTCGATCTCGGGTCACTGCAACCTCCGCCTCC
CAGGTTCAAGCAATTCTCCCACCTCAGCCTCCT...