6 15 6 16 | 12 ︽ ︾ | ︽ | ︾ | 2017 10 2024 3 | | | | | ︽ ︾ | | | | | | | | | | | | | | ︽ ︾ ︽ ︾ | | | | | | | | | | | | | | | | | | | | | | | | | | | |