produce the PIN that the user is actually expected to enter. This means that
PIXELS_DEFAULT_IMAGE
，更多细节参见heLLoword翻译官方下载
Minifying and combining JavaScript and CSS files
The "Parking Lot" Insight:
Number (8): Everything in this space must add up to 8. The answer is 5-4, placed horizontally; 0-4, placed horizontally.