| Quadrant | HH | LH | LL | HL |
| 2005 | Huaian, Yancheng, Xuzhou, Lianyungang, Yangzhou, Taizhou, Zaozhuang, Jining, Linyi | Suqian, Heze, Chuzhou | Bengbu, Fuyang, Luan, Bozhou, Xingyang, Zhumadian, Zhoukou, Shangqiu, Pingdingshan | Huaibei | 2010 | Huaian, Yancheng, Suzhou, Xuzhou, Lianyungang, Yangzhou, Taizhou, Jining, Linyi | Heze, Chuzhou, Suzhou | Fuyang, Luan, Bozhou, Xinyang, Zhumadian, Zhoukou, Luohe, Shangqiu, Pingdingshan | Bengbu | 2015 | Huaian, Yancheng, Suqian, Xuzhou, Lianyungang, Yangzhou, Taizhou, Chuzhou | Zaozhuang, Suzhou, Huaibei | Huainan, Fuyang, Luanshi, Bozhoushi, Zhumadian, Zhoukou, Shangqiu, Pingdingshan | Bengbu | 2018 | Huaian, Yancheng, Suqian, Lianyungang, Yangzhou, Taizhou, Chuzhou | Zaozhuang, Huainan, Suzhou, Huaibei | Jining, Linyi, Heze, Bozhou, Xingyang, Zhumadian, Zhoukou, Shangqiu | Bengbu, Luohe, Pingdingshan |
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