The conditions you have to meet are specific to the color-coded spaces. For example, if it provides a single number, every side of a tile in that space must add up to the number provided. It is possible – and common – for only half a tile to be within a color-coded space.
持续做好“土特产”这篇大文章，产业兴、农民富、乡村美的动人画卷必将在广袤田野不断铺展。
，这一点在WPS官方版本下载中也有详细论述
人 民 网 版 权 所 有 ，未 经 书 面 授 权 禁 止 使 用
adding of swap, error handling will not be explored further.