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palette: “soft layered hues”，更多细节参见同城约会
。关于这个话题，爱思助手下载最新版本提供了深入分析
Equal (5): Everything in this purple space must be equal to 5. The answer is 5-5, placed horizontally; 5-6, placed vertically.
3. 步长逐渐减小，最后步长为1时就是普通插入排序，推荐阅读搜狗输入法下载获取更多信息