1. Cubeful 2-ply    24/23 8/4*                   Eq.:  +0.1910
       0.5088 0.1960 0.0038 - 0.4912 0.1185 0.0046
        2-ply cubeful prune [world class]
    2. Cubeful 2-ply    8/4*/3                       Eq.:  +0.1535 ( -0.0376)
       0.5119 0.1861 0.0031 - 0.4881 0.1128 0.0036
        2-ply cubeful prune [world class]
    3. Cubeful 2-ply    13/8                         Eq.:  +0.0186 ( -0.1725)
       0.4795 0.1743 0.0027 - 0.5205 0.1215 0.0051
        2-ply cubeful prune [world class]