=== omit-size-pool160 (N=256, chance=0.0039)
  trial 0: ladders=[0.383, 0.395]  picked-by-energy=0.3945
  trial 1: ladders=[0.641, 0.68]  picked-by-energy=0.6797
  trial 2: ladders=[0.012, 0.449]  picked-by-energy=0.4492
  MEAN selected-by-energy=0.5078  (oracle ladder choice would give 0.5078)
{"done": true}