Repeat unit GGC/GCC repeats 7 times in the reference sequence.
...ATATTCCCCAATGGAGTACTAGCTCATGGTGACGGGCAGGCAGCTTGACTAATGAGTCCTCGGCGTGGCCGGCGCAGCTCTCCAATCGCCGGGCGGCGGG
CCCCAGTCTGAGCGGCGATGGCGGCGGCGGCGGCGGCGGCAGCAGCAGCGGGGGCTGCGGGCGGTCGGGGCTCCGGGCCGGGGCGGCGGCGCCATCTTGT
GCCCGGGGCCGGTGGGGAGGCCGGGGAGGGGGCCCCGGGGGGCGCAGGGGACTACGGGAA...