def create_example_pixel_data() -> list:
    """Return a new list of pixels that can be used in the doctest examples. The list describes
    an image that is 4 pixels wide and 4 pixels high. Each element in the list is a three-element
    tuple that corresponds to the red, green, and blue colour channels, respectively.

    The pixels appear in the order of left-to-right, bottom-to-top (i.e., the same as
    a1_image.load_image).
    """
    return [(128, 128, 128), (35, 50, 65), (210, 32, 68), (32, 208, 43),    # y = 0 (bottom)
            (130, 20, 42), (43, 44, 45), (17, 243, 82), (61, 85, 92),       # y = 1
            (201, 23, 23), (23, 23, 23), (42, 180, 19), (16, 58, 29),       # y = 2
            (1, 52, 128), (26, 123, 128), (71, 234, 82), (23, 108, 34)]     # y = 3 (top)