gcc supports a popular extension called
Number (0): Everything in this space must add up to 0. The answer is 4-0, placed horizontally; 0-0, placed horizontally; 0-2, placed vertically.
，更多细节参见Line官方版本下载
Цены на нефть взлетели до максимума за полгода17:55
Nature, Published online: 27 February 2026; doi:10.1038/d41586-026-00505-z