1. Cubeful 2-ply    8/7 8/2                      Eq.:  -0.1620
       0.4440 0.0800 0.0014 - 0.5560 0.0742 0.0010
        2-ply cubeful prune [world class]
    2. Cubeful 2-ply    7/6 7/1                      Eq.:  -0.1847 ( -0.0227)
       0.4390 0.0836 0.0012 - 0.5610 0.0875 0.0016
        2-ply cubeful prune [world class]
    3. Cubeful 2-ply    21/15 6/5                    Eq.:  -0.2494 ( -0.0873)
       0.4564 0.1012 0.0033 - 0.5436 0.1993 0.0058
        2-ply cubeful prune [world class]