TSP = Travelling Salesman Problem (https://en.wikipedia.org/wiki/Travelling_salesman_problem)
PPO = Proximal Policy Optimisation, a reinforcement learning algorithm (https://en.wikipedia.org/wiki/Proximal_Policy_Optimization)
PPO = Proximal Policy Optimisation, a reinforcement learning algorithm (https://en.wikipedia.org/wiki/Proximal_Policy_Optimization)