Data from the paper “A new mathematical formulation and a faster algorithm for sparse transportation problems” by T.C.L. Silva, A.C.L. Silva, G.V. Loch and L.C. Coelho
Feasible instances:
500×500 part1 part2 part3 part4
Infeasible instances:
500×500 part1 part2 part3 part4
Detailed results: