1. Cubeful 2-ply    13/9 13/8                    Eq.:  -0.1015
       0.4698 0.1674 0.0068 - 0.5302 0.1583 0.0083
        2-ply cubeful prune [world class]
    2. Cubeful 2-ply    24/20 13/8                   Eq.:  -0.1276 ( -0.0260)
       0.4727 0.1412 0.0066 - 0.5273 0.1598 0.0058
        2-ply cubeful prune [world class]
    3. Cubeful 2-ply    24/20 6/1*                   Eq.:  -0.1378 ( -0.0363)
       0.4675 0.1428 0.0060 - 0.5325 0.1607 0.0069
        2-ply cubeful prune [world class]