Repeat unit C/G repeats 17 times in the reference sequence.
...TTCCGTGTGCTCATGACTCCACAGTTATTTTTACATCTCCAGAAGCCTGCGTCCAACTGCCTGTGTGCATCGCCGCCCGGTGTCTGGTGGGCTTCTCAGC
CTCACGTGTCCAGGGAAGACCCCCCCCCCCCACCCCAGACATCCCTCCCCAACCCAAGTCCCAGGGCTCATCCTGGATTCCTCGTTTCCCTGTGGCTGTG
GAGGTGAATGCAGGGGGAGCGTGTGTGCACGTGCGTGTGTGTGTGTGAGGATGTAC...