Joint Optimization of Item and Pod Storage Assignment Problems with Picking Aisles’ Workload Balance in Robotic Mobile Fulfillment Systems

Table 6

The layouts of the storage area in medium- and large-scale instances.

Instances			|L|	|B|	(width : length)
Medium-scale	250	200	240	500	3 (60 : 4)
					5 (30 : 8)
					7 (20 : 12)
					9 (15 : 16)
					11 (12 : 20)
Large-scale	500	400	480	1500	3 (120 : 4)
					5 (60 : 8)
					7 (40 : 12)
					9 (30 : 16)
					11 (24 : 20)
					13 (20 : 24)
					16 (16 : 30)