Repeat unit GA/TC repeats 4 times in the reference sequence.
...CTCAAATTCAACCTATGACAGAGGCAAGCCCTGGTGCTGTGGGAGCCCCAAGGAAGAGCCTCTGGCCTGGTGGCCACGTAGCCCAGGAGAGATTTCTACA
GGAGCCCACAGCGCTGAAGGAGAGAGAGGCAGCAGAGTAAGGGGGCTTTGTGGCAGAGAGGGGACTGGCACTTTGGGGAATAGGTGGGTCAGGACTGAAT
GTAATGGAGCCATGTCAGAGCTGTCCTTCTGGAAGGGCAAGGGCACCT...