1. Cubeful 2-ply    23/18 6/2                    Eq.:  +0.1390
       0.5007 0.1324 0.0043 - 0.4993 0.1715 0.0075
        2-ply cubeful prune [world class]
    2. Cubeful 2-ply    23/18 11/7*                  Eq.:  +0.1097 ( -0.0293)
       0.4915 0.1534 0.0062 - 0.5085 0.1926 0.0119
        2-ply cubeful prune [world class]
    3. Cubeful 2-ply    23/14                        Eq.:  +0.0462 ( -0.0928)
       0.4745 0.1172 0.0038 - 0.5255 0.1818 0.0086
        2-ply cubeful prune [world class]