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Caleb Add the routed boards for 4, 6 and 8 layers and the JLC experiment 1be7541
6 layers: 77 nets, 249 connections to close (2 planes: {"+3V3": 4, "GND": 1})
6 layers: pass 1, 44 open of 249, 280 rip-ups, 76 s
6 layers: pass 2, 34 open of 249, 588 rip-ups, 168 s
6 layers: pass 3, 42 open of 249, 676 rip-ups, 200 s