day23: started hardcode of part2, way too slow

day23/paths.go

@@ -1,6 +1,8 @@
 package day23
 
 import (
+	"log"
+
 	mapset "github.com/deckarep/golang-set/v2"
 )
 
@@ -10,7 +12,7 @@ type PathEnd struct {
 }
 
 func ExtendPath(p PathEnd, f Field) (nextPaths []PathEnd) {
-	endPointNeighbors := f.Neighbors(p.end)
+	endPointNeighbors := f.NeighborsPart2(p.end)
 	for _, potentialNewEnd := range endPointNeighbors {
 		if !p.visited.Contains(potentialNewEnd) {
 			nextVisited := p.visited.Clone()
@@ -39,6 +41,7 @@ func RunAllScenicPaths(f Field) (result []PathEnd) {
 
 		if curCheckedPath.end == theEndCoord {
 			result = append(result, curCheckedPath)
+			log.Printf("found end path of len %d . %+v", curCheckedPath.visited.Cardinality(), curCheckedPath)
 			continue
 		}