1. Cubeful 2-ply    bar/20                       Eq.:  -0.1980
       0.4327 0.0169 0.0000 - 0.5673 0.0168 0.0001
        2-ply cubeful prune [world class]
    2. Cubeful 2-ply    bar/21 7/6                   Eq.:  -0.2805 ( -0.0825)
       0.4069 0.0336 0.0002 - 0.5931 0.0308 0.0004
        2-ply cubeful prune [world class]
    3. Cubeful 2-ply    bar/21 6/5                   Eq.:  -0.2922 ( -0.0943)
       0.4042 0.0283 0.0001 - 0.5958 0.0281 0.0002
        2-ply cubeful prune [world class]
    4. Cubeful 2-ply    bar/21 5/4                   Eq.:  -0.2932 ( -0.0952)
       0.4035 0.0280 0.0001 - 0.5965 0.0271 0.0002
        2-ply cubeful prune [world class]
    5. Cubeful 2-ply    bar/21 10/9                  Eq.:  -0.2936 ( -0.0956)
       0.4037 0.0278 0.0001 - 0.5963 0.0272 0.0002
        2-ply cubeful prune [world class]
    6. Cubeful 2-ply    bar/24 10/6                  Eq.:  -0.3552 ( -0.1572)
       0.3858 0.0420 0.0001 - 0.6142 0.0469 0.0005
        2-ply cubeful prune [world class]

Again, bad plan.