def parse_wgac_alignment(wgac_alignment):
    """
    Parses a WGAC alignment from a list into a tuple of tuples for each sequence
    in the alignment.
    """
    wgac_alignment[1:3] = map(int, wgac_alignment[1:3])
    wgac_alignment[5:7] = map(int, wgac_alignment[5:7])
    return (
        tuple(wgac_alignment[:4]),
        tuple(wgac_alignment[4:])
    )