Repeat unit CCG/CGG repeats 7 times in the reference sequence.
...ATATTCCCCAATGGAGTACTAGCTCATGGTGACGGGCAGGCAGCTTGACTAATGAGTCCTCGGCGTGGCCGGCGCAGCTCTCCAATCGCCGGGCGGCGGG
CCCCAGTCTGAGCGGCGATGGCGGCGGCGGCGGCGGCGGCAGCAGCAGCGGGGGCTGCGGGCGGTCGGGGCTCCGGGCCGGGGCGGCGGCGCCATCTTGT
GCCCGGGGCCGGTGGGGAGGCCGGGGAGGGGGCCCCGGGGGGCGCAGGGGACTACGGGAA...