1. Cubeful 2-ply    13/7 11/6                    Eq.:  +0.2796
       0.6299 0.2085 0.0137 - 0.3701 0.0765 0.0035
        2-ply cubeful prune [world class]
    2. Cubeful 2-ply    13/8 13/7                    Eq.:  +0.2472 ( -0.0324)
       0.6185 0.2153 0.0157 - 0.3815 0.0866 0.0046
        2-ply cubeful prune [world class]
    3. Cubeful 2-ply    13/7 10/5                    Eq.:  +0.2354 ( -0.0442)
       0.6118 0.2131 0.0154 - 0.3882 0.0832 0.0039
        2-ply cubeful prune [world class]
    4. Cubeful 2-ply    13/7 8/3                     Eq.:  +0.1467 ( -0.1329)
       0.5857 0.2145 0.0176 - 0.4143 0.1134 0.0090
        2-ply cubeful prune [world class]
    5. Cubeful 2-ply    13/8 11/5                    Eq.:  -0.0020 ( -0.2816)
       0.5292 0.1855 0.0124 - 0.4708 0.0867 0.0026
        2-ply cubeful prune [world class]
    6. Cubeful 2-ply    11/6 10/4                    Eq.:  -0.0080 ( -0.2876)
       0.5260 0.1926 0.0137 - 0.4740 0.0942 0.0029
        2-ply cubeful prune [world class]