Repeat unit CTCC/GGAG repeats 3 times in the reference sequence.
...TGCCACTGCAATCCAGCCTGAGTGATAGAGCGAGATTCCATCTCAAAAATAAATAAGTAAATAACTAGCAGCTGTAAATGTGGCTGTTGTTCTTCACCTC
CACACTCAGTGCCACTCCACTCCCTCCCTCCGTGGTGTGAGGGGCCTCACTAGCTGTCTCCTAGGAGGAGCATGGCTGTGAGATTCCAGCTCCATCCTTG
GCCACGGCTCCTGGAGACATCTTAGAGGCCAGGATCCAGAAGGCTCCCACA...