Repeat unit GT/AC repeats 26 times in the reference sequence.
...ACGGATGGCCACAGCCGTCGCCCGCTGCGCCCCAGATGAGGAGCTGCTGAGCTGCTCCAGTTTCTCCAGGAGTGGGAAGCGGCGGGGCGAGCGCATGGAG
GTGACTGTACCCCTCCTTCGTGTGTGTGTGTGTGTGTGTGTGTGTGTGTGTGTGTGTGTGTGTGTGTGTGTCAGTGCTGGGCCCTCAGGGACCCCCAGCA
AGCCCCTCCATCCTCCAGACTCCAGCTCTTCTGTAAGCTTACAGGGCTGGCCAGACCAGGAGTGGGGCACTCCTCACTTCACGCGGCTGGG...