Repeat unit CCG/CGG repeats 12 times in the reference sequence.
...CAGCCGCGGCAGCAGCGGCGGCAGCCGACGGGGGCGCCTCCCCGGGGGCGCTGCTGTAGGCGGACGCGGCTCCTGGCGCCAAGGGCGCCGGGTGCGCCAT
CAGGTTGCGGCACTGGTTGGCCGCGGCCGCCGCCGCAGCCGCGGCCGCCGCCGCCACCGAGAAGTTGCCCCCTGCCGCCGCAGCCGCCGGGTGGGGGAAG
CCCCCGCCCCCGGCCCCGGCAGCCGCCGCCGCTGCAGCCGCTGCTGCAGCCGCCGCCGCCCCTTCCATGTTCTTG...