K-opt Start Branched Double Bridge K-opt + Branched Double Bridge Geometric Repair Iterative Random Visibility Repair KBDB + Geometric Repair KBDB + GR + 4opt KBDB + GR + 4opt + bridge/deep

DBWC FastHilbert + Delaunay LK + v1f DBWC Qualityfull pipeline + v4 DBWC time limit (s) Full work metering (instrumented, slow) Work budget (million steps; empty = unlimited) Stop DBWC

Run on the live tour (run DBWC Quality first). They use the Main Flow settings and Stop DBWC.

Region Reversal: time-budgeted2-factor union + exact Region Reversal: boundedn^1.7 work, deep chain

Exponential time: Held-Karp DP for small sets, then 1-tree branch-and-bound.

Exact TSP (optimal tour) Stop Exact TSP

Connect Points Disconnect Selected Point Swap Adjacent Blocks Paired Chain Repair (slow) Convex Layers Merge Layers

Find Visible (Object Occlusion) View Occlusion Points