def is_upsidedown_wrong(name):
    """Tell if the string would get a different meaning if written upside down"""
    chars = set(name)
    mistakable = set("69NZMWpbqd")
    rotatable = set("80oOxXIl").union(mistakable)
    return chars.issubset(rotatable) and not chars.isdisjoint(mistakable)