Do you remember them?
If you don't know them, maybe try asking your parents. :)
You can validate your puzzle solution with
certitude.
2025-Oct-02 Update: The spoiler and the hint in the checker have been updated. The answer to the puzzle is not changed. Please submit the answer again to accquire updated information. 题目答案没有变化，请重新提交答案获取最新的信息。
2024-Oct-29 Update: The spoiler and the hint in the checker have been updated. The answer tl the puzzle is not changed.