The stamp’s background fill color is [COLOR] — muted, desaturated, dusty, vintage-toned, completely flat. No gradients, no shading. The illustration engraving lines must be a significantly darker shade of [COLOR], dark enough to stand out clearly and crisply against the background at high contrast.
// 测试函数：验证排序正确性
，更多细节参见旺商聊官方下载
* @param arr 数组，详情可参考safew官方版本下载
translation, question answering, and text completion. It can，推荐阅读heLLoword翻译官方下载获取更多信息
* 时间复杂度: O(n^1.3)~O(n²) 取决于步长序列 空间复杂度: O(1) 稳定: ✗