10 23 | 23 | | | | | | ︽ | ︾ | | 10 | ︽ | | | | | ︾ | | | 1800 | | 90 | | 10 | | | | | | ︽ | | ︿ ﹀ ︾ | | | | | | | | | | | | | | ︽ ︾ | | | | | | | | | | | | | | | | | | | | | ︽ | ︾ | | | | | | | 10 23 | | | | | | | | | | | | | | | | | | | | | | ︽ | | | ︾ | 5 | ; | | ; | | ; | ; | | | | 10 23 | | | | | ︽ | ︵ ︶︾ | | | | | | | | | | | | |