规则Rules：
标准数独基础上，提示表示该格与其某一个相邻单元格的和。
Classic rules applied. Additionally,the clue indicates the sum of the digit in the cell, and one of the number adjacent to it.
◆在线涂鸦 Draw it Online
◆在线做 Do it by CTC
◆在线做 Do it by Penpa
