def lowerBackslash(r, c):
    """
    >>> lowerBackslash(6, 3)
    [(6, 3), (7, 4), (8, 5)]
    >>> lowerBackslash(2, 2)
    [(2, 2), (3, 3), (4, 4), (5, 5), (6, 6), (7, 7), (8, 8)]
    >>> lowerBackslash(1, 8)
    [(1, 8)]
    >>> lowerBackslash(1, 1)
    [(1, 1), (2, 2), (3, 3), (4, 4), (5, 5), (6, 6), (7, 7), (8, 8)]
    """
    lower_x = range(r, 9, 1)
    lower_y = range(c, 9, 1)
    return zip(lower_x, lower_y)