Repeat unit GGCAG/CTGCC repeats 3 times in the reference sequence.
...AGTGTAATTTTCTAATCCGTCCTGCATTATCTATGGCTCTTGGTTCATACCTGTCTTGAAGTTCTGTCATGTTCTGTCTCTTGTCCTCAGTAGAGATGCT
ACAGCAGTGGCTCGCCTCAGGCAGGGCAGGGCAGTGGGGTGGCTGTCCTGGGGGCAGGCAGTAGGGGCACGCTGACGTCAGGGAAGTTGAAACCCAAGAG
AAGCCAGTAAAAGTGAGTCTCAGATTGTCACCATGTGCTGGCAGTTTTACACGC...