Repeat unit CCG/CGG repeats 16 times in the reference sequence.
...GGAGGGTGGGCGAGGCTCCCTGGGCCTGCGCTGCGGCGGCCTGACAGCGGGAGCGCTGTTCCGGCGCAGAGCGCGTTCGCGTTCCGAAAGCGCGTGTCCC
TCGCCGCGTGCCGTCGTCCCCGCCGCCGCCGCCGCCGCCGCCGCCGCCGCCGCCGCCGCCGCCGCCGCCACAGCCCGCTGGGCCGGAGGAGGCGGAGCTG
GCGCTGTCCCGGCTCTCTTGCGGGGAAGCAACTGAGGGGGCGGCGCGGCGGGCCCCGGCGGCCGAAGAGGCTGGCAGGTGGCGCCGTGG...