Li, J., Gange, G., Harabor, D., Stuckey, P., Ma, H., & Koenig, S. (2021). New Techniques for Pairwise Symmetry Breaking in Multi-Agent Path Finding. Proceedings of the International Symposium on Combinatorial Search, 11(1), 129–130. https://doi.org/10.1609/socs.v11i1.18524