Cube analysis
2-ply cubeless equity  +0.3725
  0.6863 0.0000 0.0000 - 0.3137 0.0000 0.0000
Cubeful equities:
1. Double, take         +0.6639
2. Double, pass         +1.0000  ( +0.3361)
3. No double            +0.5771  ( -0.0868)
Proper cube action: Redouble, take