Repeat unit CCG/CGG repeats 15 times in the reference sequence.
...AGTCCTCCCCGCAGGGCTCTGAATCCTCCCCGGCCGCCAGCTCCGGCTATGAGTCGTCCACGCCCCCGGGGCTGGTGTCCCCCAGCGCCGAGCCCCAGAG
CAGCTCCAACCTGTCCCCAGCGGCGGCGGCAGCGGCGGCGGCGGCTGCGGCGGCGGCGGCCGCGGTGTCCGCGGTGCACCGGGGCGGAGGCTCGGGCAGT
GGCGGCGCGGGAGGCGGCTCAGGCGGCGGCAGCGGCAGTGGCGGGGGCGGCGGCGGGGCGGGCGGCGGGGGCGGCGGCAGCTCTG...