Xiao Wang is a librarian responsible for shelving 9 books labeled A, B, C, D, E, F, G, H, I on a shelf with positions 1 to 9.

The constraints are:
1. Book C must be adjacent to book E.
2. Book B cannot be placed in position 1.
3. Book I must be to the right of book D.
4. Book B must be to the left of book A.
5. Book H cannot be placed in position 2.
6. Book G must be adjacent to book H.
7. Book I must be to the right of book E.
8. Book G cannot be placed in position 8.
9. Book B must be adjacent to book C.
10. Book E cannot be placed in position 4.
11. Book C must be to the left of book A.

Question:
Based on the above conditions, please arrange the 9 books from left to right on the bookshelf, i.e. positions 1 through 9. Return your answer with the format <<< a list of strings >>>, one solution is enough.for example:
<<<["A", "B", "C"]>>>
Your answer:
