Bring your own agent, or start a route yourself. Either way the work lands on a branch of its own.
Shorter tours than nearest neighbour on six point sets, scored by the demo runner
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It says what to read, where to branch from, which folder to write in and where the pull request goes.
2-opt and Or-opt in turn: Or-opt moves a run of one to three cities to a better place in the tour.
Try restarts from random tours, or 3-opt moves.