1. Cubeful 2-ply    24/23 17/14                  Eq.:  -0.4974
       0.3409 0.0564 0.0005 - 0.6591 0.1996 0.0048
        2-ply cubeful prune [world class]
    2. Cubeful 2-ply    17/14 17/16                  Eq.:  -0.5052 ( -0.0079)
       0.3407 0.0646 0.0007 - 0.6593 0.2064 0.0054
        2-ply cubeful prune [world class]
    3. Cubeful 2-ply    24/23 6/5(2) 3/2             Eq.:  -0.5299 ( -0.0325)
       0.3469 0.0811 0.0013 - 0.6531 0.2371 0.0073
        2-ply cubeful prune [world class]
    4. Cubeful 2-ply    24/23 17/16(2) 3/2           Eq.:  -0.5396 ( -0.0422)
       0.3444 0.0779 0.0012 - 0.6556 0.2390 0.0075
        2-ply cubeful prune [world class]