规则Rules：
标准数独基础上，每个虚线框框内数字不重复，且提示代表框内数字总和从小到大的排序。
Classic rules applied. Additionally, digits must not repeat in each cages, and the clue is the sums' order in each cage, from the lowest to the highest.
作者Author：风车（Air）
◆在线涂鸦 Draw it Online
◆在线做 Do it by CTC
◆在线做 Do it by Penpa
