  structured delta=0.15: min T* +0.21362
  structured delta=0.20: min T* +0.17922
  structured delta=0.25: min T* +0.15949
  structured delta=0.30: min T* +0.20263
  structured delta=0.35: min T* +0.38341
BW=1.8000 k=4: min T*(2) = +0.156813 (rand 0); depths [0.3  0.25 0.3  0.2 ]; pair parts [-0.838  0.09   0.997  1.853]; near [-2.91 -2.91 -1.81 -1.81  2.76  2.76  3.86  3.86  4.91  4.91  5.91  7.01]
   starts 55, fraction below 0: 0.00, below -1e-3: 0.00
