Presenting a Multi-Start Hybrid Heuristic for Solving the Problem of Two-Echelon Location-Routing Problem with Simultaneous Pickup and Delivery (2E-LRPSPD)

Table 8

Delivery and pickup demands (kg) of customers.

Customer	Delivery demand	Pickup demand	Customer	Delivery demand	Pickup demand
C1	1400	1120	C14	1800	2160
C2	1400	1680	C15	2100	1680
C3	2200	1760	C16	1600	1920
C4	1500	1800	C17	1900	1520
C5	2000	1600	C18	1600	1920
C6	1500	1800	C19	2000	1600
C7	2000	1600	C20	1700	2040
C8	2000	2400	C21	1700	1360
C9	1700	1360	C22	1900	2280
C10	1400	1680	C23	1900	1520
C11	1800	1440	C24	1800	2160
C12	2300	2760	C25	2000	1600
C13	1800	1440