Customers (c)

Coordinate

Demands

Mean

Variance

C₁ (Nanjing)

(248, 190)

535

52

C₂ (Suqian)

(252, 445)

139

15

C₃ (Huaian)

(299, 405)

125

13

C₄ (Yancheng)

(420, 376)

280

20

C₅ (Yangzhou)

(292, 222)

146

16

C₆ (Zhenjiang)

(321, 215)

239

19

C₇ (Nantong)

(496, 183)

255

21

C₈ (Taizhou)

(354, 251)

179

17

C₉ (Xuzhou)

(88, 496)

590

32

C₁₀ (Lianyungang)

(310, 536)

323

25