guided ejection search
An implementation of the Guided Ejection Search algorithm (Nagata, Y., Kobayashi, S. (2010). Guided Ejection Search for the Pickup and Delivery Problem with Time Windows. In: Cowling, P., Merz, P. (eds) Evolutionary Computation in Combinatorial Optimization. EvoCOP 2010. Lecture Notes in Computer Science, vol 6022. Springer, Berlin, Heidelberg. [https://doi.org/10.1007/978-3-642-12139-5_18]).