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Generally, the traversal goes: numbered workspaces in order, and then named workspaces in the order in which they appear in the tree. Example: Output 1: Output 2: 1 3 D C 2 4 B A Traversal: 1, 2, 3, 4, D, C, B, A, 1, ... Note, after the numbered workspaces, we traverse the named workspaces from output 1, and then output 2, etc.