规则Rules：
标准数独基础上，每条温度计上数字只能不变或变大。
Classic rules applied. Additionally, numbers can only be immutable or increasing on each thermo.
作者Author：ZrLyg
◆在线涂鸦 Draw it Online
◆在线做 Do it by CTC
◆在线做 Do it by Penpa
