6 11 | 15 | | | | | | | | | | | | | | | ︽ ︾ | | | | | | | | | | | | | | | | | | | | | | | | | | | ︽ ︾ ︽ ︾ | | | | | | | | | | ︽ ︾ | | | | 15 | | | | | | | |