1. Cubeful 2-ply    13/11* 12/6                  Eq.:  -0.1777
       0.4504 0.1290 0.0023 - 0.5496 0.1462 0.0058
        2-ply cubeful prune [world class]
    2. Cubeful 2-ply    13/11*/5                     Eq.:  -0.2156 ( -0.0379)
       0.4458 0.1318 0.0029 - 0.5542 0.1616 0.0094
        2-ply cubeful prune [world class]

Hitting is mandatory, since opp has builders to make inner.