No stripping

    1. Cubeful 4-ply    24/21 9/3 6/3                Eq.:  -0.5083
       0.3758 0.0723 0.0013 - 0.6242 0.1569 0.0045
        4-ply cubeful prune
    2. Cubeful 4-ply    24/21 13/10(2) 9/6           Eq.:  -0.5827 ( -0.0744)
       0.3620 0.0693 0.0014 - 0.6380 0.1760 0.0055
        4-ply cubeful prune