def METHOD_NAME(self, r, two=False, move=None):
    s = self.spacing
    if self.move(r, r+s, move, True):
        return
    for i in range(2 if two else 1):
        self.polyline(r, 90, r, 180, 0, (-90, r), 0 ,-180)
        self.moveTo(r, r+s, 180)
    self.move(r, r+s, move)