1. Cubeful 2-ply    10/7 8/7                     Eq.:  +0.6611
       0.7669 0.2633 0.0092 - 0.2331 0.0645 0.0014
        2-ply cubeful prune [world class]
    2. Cubeful 2-ply    21/20* 13/10                 Eq.:  +0.6382 ( -0.0229)
       0.7361 0.3327 0.0236 - 0.2639 0.0946 0.0047
        2-ply cubeful prune [world class]
    3. Cubeful 2-ply    21/20* 21/18                 Eq.:  +0.5701 ( -0.0909)
       0.7270 0.3109 0.0213 - 0.2730 0.1138 0.0062
        2-ply cubeful prune [world class]
    4. Cubeful 2-ply    21/20* 8/5                   Eq.:  +0.5660 ( -0.0950)
       0.7154 0.3074 0.0216 - 0.2846 0.0938 0.0031
        2-ply cubeful prune [world class]