| 12 2 3 | | | ︽ | | | ︾ ︵ ︽ ︾ | ︶ | | | | | | | | | | | | | | | | | | | | | ︽ ︾ | | ︽ | ︾ | | | ︽ ︾ | | | | | | | | | ︽ ︾ ︽ | ︾ ︽ ︾ | | | | | | | | | | | | | | | | | | | | | | |