Repeat unit CT/AG repeats 4 times in the reference sequence.
...AGGGCAGGTGGGTGCTGGACTGGCCTTGGAGGCTGGGGCCTGGGCTCACGGAGCCCCACCTGGGGGCTGTCATCCCTGTGCGGCCTGGCCTGGGCCCCTA
TGGGTCTGGGGGCTGCCCCCTCTCTCTGGACCTCTGTTGGGTCTGGATGCGTGAGGTTGGGGGAACCTCCCAGGGCCTCCTAGCTGCTCCCATCACCAAA
AACTGACGTCAGGGTTTAAGCTTGGTGGGTAGCAGTGCCTGGGCCTG...