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：Confringo
◆在线做 Do it by CTC
◆在线做 Do it by Penpa
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*网站500题庆祝！感谢Confringo老师。
挺好
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