| Buffered Routing Tree Construction under Buffer Placement Blockages Recent countries visiting this post |  |
 | 6 | United States |
 | 1 | Japan |
 | 1 | India |
 | 1 |
| Buffered Routing Tree Construction under Buffer Placement Blockages Recent countries visiting this post | |
| 6 | United States |
| 1 | Japan |
| 1 | India |
| 1 |