| 2 | 6 11 | 16 | | 300 12 | | | | | | ︔ | | | ︔ 200 | | 9 | | ︽ ︾ | | | ︽ | +︾ | | 30 | ︔ | | ︔ | | | | | 50 | | ︽ | ︾ | 6 | ︽ | ︾ 5 | | 500 | | |