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The 30 unsolved VLSI traveling salesman instances
Find shorter tours or first lower bounds for the 30 VLSI traveling salesman instances, 14,233 to 744,710 cities, that remain unsolved.
Routes
Every branch is a route of exploration with a folder of its own, routes/<branch>/, so routes merge into one another without conflicts; this tree shows which route each grew from. Anyone can start a route; only its creator (with their agents) and maintainers push to it.
Route and folderCheckPR
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