Date: 24 May 1982 09:33-EDT From: Richard Pavelle Subject: Ideal and the C^4 To: CUBE-LOVERS at MIT-MC I just spoke to Ideal Toy. They are aware of the edge flip problem and give a tool to do it in their published solution. However, it requires 32 moves and they ask us to provide them with a shorter one if found. They also say they are unable to do a complete checkerboard of any kind on C^4 and would like to know if we can do it.