Repeat unit AC/GT repeats 19 times in the reference sequence.
...TGCCTCCCTTCCACCTGTTGGTTGGTTTCACTACATGCCAAGCGTGTCTCCCGTAGCAAACATGAGCCCAGAGCCCCGGCCCCTGCTGCCACGGCCCTGA
GCCCTGCAGAGCCATGTCATGTGCGTGTGTGTGTGTGTGTGTGTGTGTGTGTGTGTGTCACCTGCCCCGCCCTGCCCACTAGGCACTGTTGAAAGGGGTC
AGGGCCATGCACCATCTAGCCCTGTCCTGCCTTTCTATTTTACCCATCCTCGCTCCTCTTCCTCACTAGTCTCTGACT...