规则Rules：
标准数独基础上，提示是其周围数字行列式运算后的结果。
Classic rules applied, the clue is the result of the determination.
作者Author：ZrLyg
◆例题 Example
◆在线涂鸦 Draw it Online
◆在线做 Do it by CTC
◆在线做 Do it by Penpa
