Repeat unit TG/CA repeats 4 times in the reference sequence.
...GGGTGTGTGTGTGCGAGGGTGTGTGTGTGTGAGAGCATGTGTGCATCAGTGTGAGTGTGCATGGCAAGGCCATTTGGAACGCGAAGGGGTGTGTGTGCAC
GTGCCAGTGTGTGAAGGCATGTGTGTGAGGGTGTGTATATGTGTGAGAGTGTGCACGTCTGTGAGTGCATGGCAAGGCCATTTGGAACGCGAGGGTGTAT
GTGTGTGTGTGTGAAATAGTGTGTGCGCATGTGTGAAGGCGTGTGTA...