Xiao Wang is a librarian responsible for shelving 7 books labeled A, B, C, D, E, F, G on a shelf with positions 1 to 7.

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

Question:
Based on the above conditions, please arrange the 7 books from left to right on the bookshelf, i.e. positions 1 through 7. Return your answer with the format <<< a list of strings >>>, one solution is enough.for example:
<<<["A", "B", "C"]>>>
Your answer:
