1. Cubeful 2-ply    13/7* 6/1*                   Eq.:  -0.0013
       0.4992 0.1640 0.0067 - 0.5008 0.1598 0.0099
        2-ply cubeful prune [world class]
    2. Cubeful 2-ply    24/13                        Eq.:  -0.1174 ( -0.1162)
       0.4713 0.1044 0.0024 - 0.5287 0.1295 0.0037
        2-ply cubeful prune [world class]

24/13 makes no bad rolls for opp.