1. Cubeful 2-ply    bar/21 6/1*                  Eq.:  -0.0004
       0.5932 0.2715 0.0188 - 0.4068 0.1484 0.0103
        2-ply cubeful prune [world class]
    2. Cubeful 2-ply    bar/21 18/13                 Eq.:  -0.1081 ( -0.1077)
       0.5491 0.2395 0.0235 - 0.4509 0.1709 0.0089
        2-ply cubeful prune [world class]

We have stronger board.