Repeat unit -GC/GC- repeats 14 times in the reference sequence.
...CGGCGGCCGCGGCCGCGGCTGCCGCGGCGGCCCCTGCGCCGTCCGGCCGTTCCCCGGGCCGCGCGGTTGGCGGTGGCGGCGGAGGGGCCTCCCCGCGTGG
ACCCGCCGTGGCCGTGGCGGCCGCTGCCGCCGCCGCCGCCGCCGCCGCCGCCGCCGCTGCCGCACCCTGAAGGAGGCGGCCCCCGCCCGGGCCGTACAGG
CGCCGCAGCTTGGGCGGCAGGTGCAGCTCGGCCTCGAACGGGGCGCTGCTGCTCTTAGGGGAGCCTGCGGGCAAGGGAGAGCT...