- ordered item #1
- ordered item #2
- unordered item #2/A
- unordered item #2/B
- ordered item #2/B/1
- ordered item #2/B/2
- ordered item #3
- unordered item #3/A
- unordered item #3/B
- unordered item #3/B/1
- unordered item #3/B/2
- unordered item #3/C
- unordered item #3/D
- ordered item #3/D/1