| | | 7 | 10 17 | | 66 | | | | 159 | | | ︽3+5+6 ︾ 3 | 5 | ︵ ︶ ︵ | ︶ ︵ ︶ 6 | | | ︽ | ︾ ︽ | ︾ ︽ ︵ ︶ | ︵ ︶ ︾ ︽ | ︵ | ︾ | | | | | | | | | | | | | | | | | | | |