1. Cubeful 2-ply    21/15(2) 13/7(2)             Eq.:  -0.2810
       0.4146 0.0902 0.0021 - 0.5854 0.1754 0.0038
        2-ply cubeful prune [world class]
    2. Cubeful 2-ply    21/15(2) 8/2(2)              Eq.:  -0.3529 ( -0.0719)
       0.3980 0.0971 0.0021 - 0.6020 0.2072 0.0061
        2-ply cubeful prune [world class]
    3. Cubeful 2-ply    21/9(2)                      Eq.:  -0.4242 ( -0.1431)
       0.3792 0.0793 0.0019 - 0.6208 0.1953 0.0038
        2-ply cubeful prune [world class]
    4. Cubeful 2-ply    13/7(2) 8/2(2)               Eq.:  -0.4659 ( -0.1848)
       0.3409 0.0711 0.0010 - 0.6591 0.0990 0.0019
        2-ply cubeful prune [world class]