Repeat unit CCG/CGG repeats 14 times in the reference sequence.
...CGGCGGCCGCGGCCGCGGCTGCCGCGGCGGCCCCTGCGCCGTCCGGCCGTTCCCCGGGCCGCGCGGTTGGCGGTGGCGGCGGAGGGGCCTCCCCGCGTGG
ACCCGCCGTGGCCGTGGCGGCCGCTGCCGCCGCCGCCGCCGCCGCCGCCGCCGCCGCTGCCGCACCCTGAAGGAGGCGGCCCCCGCCCGGGCCGTACAGG
CGCCGCAGCTTGGGCGGCAGGTGCAGCTCGGCCTCGAACGGGGCGCTGCTGCTCTTAGGGGAGCCTGCGGGCAAGGGAGAGCT...