| ā | Regardless of traffic jam | Considering traffic jam |
| Couriers | 1 | 2 | 1 | 2 |
| Allocated order | (O3, O5, O6, O7, O8, O9, O10, O11) | (O1, O2, O4, O12, O13) | (O3, O5, O6, O7, O8, O9, O10, O11) | (O1, O2, O4, O12, O13) |
| Delivery route | m3-c3-m5-c5-m6-m8-m7-c6-m9-c7-c9-c8-m10-m11-c10-c11 | m1-c1-m2-c2-m4-c4-m12-c12-m13-c13 | m3-c3-m5-c5-m7-m8-m6-m9-c6-c7-c8-c9-m10-m11-c10-c11 | m1-c1-m2-c2-m4-c4-m12-c12-m13-c13 |
| System cost | 6.2631 | 6.4298 |
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