鉴影度形
      Explanation: Try to speculate who observed acting.
      Source: Qing Li, Green Park "Qiludeng" the first two back to the three men will ○ basket items, put together carefully Qiaokan, or inch paper, or a word, KAM-shaped shadow degrees, covers are lacking, and is still a piece of into the basket. "
      Examples: The three items within the basket, put together carefully Qiaokan, or inch paper, or a word, ~, that any are lacking, and is still one by one into the basket. ("Qiludeng" the first two back to 0)