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Classifications of near-, medium-, and far-distance nodes in the study area network based on the distance to node 12 as the epidemic outbreak point.
| Node | Classification | Node | Classification |
|---|---|---|---|
| 1 | Medium | 17 | Medium |
| 2 | Near | 18 | Near |
| 3 | Near | 19 | Near |
| 4 | Medium | 20 | Near |
| 5 | Medium | 21 | Medium |
| 6 | Medium | 22 | Medium |
| 7 | Near | 23 | Near |
| 8 | Near | 24 | Medium |
| 9 | Medium | 25 | Medium |
| 10 | Medium | 26 | Medium |
| 11 | Near | 27 | Medium |
| 12 | Near | 28 | Near |
| 13 | Near | 29 | Medium |
| 14 | Medium | 30 | Medium |
| 15 | Medium | 31 | Medium |
| 16 | Near | 32 | Medium |
| 33 | Far |
