I

Lower

HL-LLt+1

Taiyuan, Dongying, Guiyang

Higher

LH-HHt+1

Yangzhou, Zhenjiang, Taizhou, Jinhua, Nantong

LL-HLt+1

Xuzhou, Wuhu

II

Lower both

HH-LLt+1

Lianyungang, Huaian, Suqian, Yancheng, Quanzhou

High & Low

LH-HLt+1

Anshan

Low & High

HL-LHt+1

Dongying

III

Lower

LH-LLt+1

Mudanjiang, Songyuan, Fuyang, Benxi, Liaoyang, Jinzhou, Yingkou, Xiaogan, Yueyang, Yiyang, Xiangtan, Zhuzhou, Loudi, Jieyang, Chaozhou

Higher

HL-HHt+1

Nanjing, Hangzhou, Ningbo, Fuzhou, Xiamen, Lanzhu

LL-LHt+1

Weinan, Baoji, Xianyang, Shangqiu, Shangluo, Hanzhou, Tongling, Sanming, Longyan