15 | | ︽ | ︾ | | | | | | | | | | 3 15 | | ︽ | ︾ | | | | | | | | 5 | | ︔ | | ︔ | ︔ | | ︔ | | | 3 15 | | ︽ | ︾ | | | | 100 | | | | | | | | | | | | | | | | | | | | | | | ︽ ︾ | | | | | | | | | | | | | ︽ ︾ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ︽ ︾ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ︽ ︾ | 150 500 | | ︵ 3 15 ︶ | |