Repeat unit GA/TC repeats 4 times in the reference sequence.
...AGGTTCCCGTGGCCAGGCTGGGGCCTCGATACAGACTCCAGACTCTCCACACCCGAACTGGAGGCTGGGGGATCCCTGAGCCTCGGTTTCCCCTTCTGTG
ATGGAGCCACACAGCTGTGGAGAGAGAGCCTTCCTGGAGAGGTGCCGGGGGTGGGAGCCCAGCCAGGGCACTCAGCTGCCCTGTCCTCCCTAGCACCTCC
GTGGTGGGAGGGGAGGGAGGTGGAGGTCCGAGGTCAGGCCCCTCTGGG...