Repeat unit CA/TG repeats 4 times in the reference sequence.
...GTCTGTTGAGTGAATGATCGGGTGTTCAGCAGACATCAGCCAGAGCGTCAGGGCGAGGCTTGGGCGGGGACAGTGGCTTTCAGTGATTTTCCTTTTAGTC
GTGAAACCTTCTCAAAAAGCACACACAAGCACAGAAGCAGAAACTCCTGTGTGACTGGTGTTGCGGGGTGGACCCACTGCCGCCGCCTCCTCCTGGGCTG
CTCTGCGCGCCTGCCAGGCTCTTCCAGTGCCTTCACCCAACACGCGG...