Repeat unit AC/GT repeats 20 times in the reference sequence.
...AGTTGTACAGCCGCTGGATCCTGCCGTCCAGCTCAGCCAGGAGGACCCCGGCCATCCTGATCAGTGAGGTGGTCAGATCCGTAAGTGAGCCTTCCCATTC
CCCTCACACCTGCACGTGCCACACGCACCACACACGCCACACACCCCACACACACACACCGCCCACACACATGCCACTTGCACACACACCCCTCATGCAT
GCAACACACACACAGGCCACACGCACCATAGACACCACACACACATGCCACATGCACACACATACACGGCATGCACCAT...