2-phase A* already uses many heuristics which don't always create an optimal route and still 5-10x slower.
Source: Computational Materials Science, Volume 267
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"The first time there's any type of struggle, the immediate thought is, 'well, I thought you were my soulmate. But maybe you're not, because soulmates aren't supposed to deal with things'," he says. "But if relationships are going to go long term, it's never just going to be a downhill run."
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