Still Pictures of the Polyhedral Solution:

• Front right corner, from above
• Front right corner, from the side
• Right-hand side
• Back right corner
• Front left corner, from above

• All of the above

The important level sets:

• Initial circle
• Pulling one side across
• Pulling a side across one loop
• The triple point
• Moving toward a saddle
• Just before the saddle
• The critical level
• Just after the saddle
• Pulling back toward the edge
• Final circle

• All of the above