A and no-lengthening cells identical to sweep_extrap.json: 182 same, 0 differ

PROPOSED RULE (tent, 3-point, projection), by mode:
  mode                 APS   CHA  both  flat  Y1 Y2 Y3 Y4   vs Chandrupatla APS (w/t/l, p)
  no lengthening      2806  3220  6026  1823   -  -  ✓  -   87/24/42 p=9.2e-05
  A                   2967  2926  5893  1525   ✓  ✗  ✓  ✓   42/62/49 p=0.53
  G1 confirmed        2933  3281  6214  1859   ✗  ✗  ✓  ✗   81/28/44 p=0.0012
  G2 pattern          2782  3169  5951  1780   ✓  ✓  ✓  ✓   95/20/38 p=8.2e-07   ACCEPTED
  G3 steps+results    2953  3205  6158  1804   ✓  ✗  ✓  ✓   79/28/46 p=0.004

Y6 best cell over both sets, per mode (guarantee family, >= 193 solved):
  no lengthening     pure+dissim+slope.ratio.derived3.project             2726+2799=5525
  A                  pure+dissim+ext+slope.ratio.derived3.project         2859+2553=5412
  G1 confirmed       pure+dissim+extC+slope.ratio.derived3.project        2882+2757=5639
  G2 pattern         pure+dissim+extP+slope.ratio.derived3.project        2759+2789=5548
  G3 steps+results   pure+dissim+extR+slope.ratio.derived3.project        2808+2785=5593

readings under the projection, APS/CHA by mode:
  slope         no 2848/3114  A 2971/2763  G1 3004/2993  G2 2809/3033  G3 2934/3043
  shape+slope   no 2675/3498  A 2930/3506  G1 2800/3511  G2 2894/3483  G3 2944/3477
  dissim+slope  no 2726/2799  A 2859/2553  G1 2882/2757  G2 2759/2789  G3 2808/2785
  defect        no 2523/3210  A 3180/2955  G1 2667/3260  G2 2580/3183  G3 2684/3210
