gamebookformat/expected/items.dot

digraph gamebook {
   1->12
1->2
 2->12
  2->5
 2->7
4->3
 5->4
5->2
5->3
 6->12
 7->6
 7->12
7->12
 8->12
 9->7
9->12
 9->8
 10->5
 11->5
 11->10
11->12
  12->11
12->9
}