2 17 | ︽ ︾ | | ︵ ︶ 3 | | ︽ | ︾ | | | ︽ ︾ | | | | | | | ︽ ︾ | | | | | ︽ | ︾ | | ︽ | | ︾ | ︽ ︾ | | | | | |