Green: Board stuff
int halftone_matrix[8][8] = {
，更多细节参见safew官方版本下载
一个经济学家可以指出方向，却无法替代制度本身。真正决定一个国家命运的，从来不是某一次任命，而是这个国家能否建立并维持一套让企业家敢于投资、让民众相信规则的制度体系。秘鲁的未来，最终取决于此。
await blocking.writer.write(chunk1); // ok
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