1. Cubeful 2-ply    24/21 22/16                  Eq.:  +0.1621
       0.5730 0.1544 0.0048 - 0.4270 0.1151 0.0033
        2-ply cubeful prune [world class]
    2. Cubeful 2-ply    21/15* 13/10                 Eq.:  +0.1503 ( -0.0118)
       0.5903 0.1951 0.0100 - 0.4097 0.1835 0.0120
        2-ply cubeful prune [world class]
    3. Cubeful 2-ply    24/15*                       Eq.:  +0.1287 ( -0.0334)
       0.5876 0.1743 0.0085 - 0.4124 0.1805 0.0080
        2-ply cubeful prune [world class]