12 15 | | | | | | | | | | | | | | | | | | | | | | | | | ︽ ︾ ︽ | ︾ ︽ ︾ ︽ | ︾ | | | | | | | | | | | | | | ︽ | | ︾ | ︽ ︾ | | | | ︽ | | ︾ | |