Repeat unit AG/CT repeats 18 times in the reference sequence.
...CTAGATGTGGAATTGCTGTTTTTAAAAGTGTATGTGCATTTTAAAGTTTGCCAAATTGCTCACCAAAGAGGTTTTCTAGTTTATATTTTTGTCAGTAGTG
TGTGTGTGTGTGTGTGTGTGAGAGAGAGAGAGAGAGAGAGAGAGAGAGAGAGAGAATGCCCCCTTTTTTATTGAAGGAGAATTTGTGTTATTTTGATGTA
CAGAAAACTCAACAGTGTTCATTTCACCCAGTTTATTGGCAGGTTCTGTGGCCTTTGCCTTTTCCAGCTTGGCAA...