- Segments of C9 (좌 경사), C10 (Level), C11 (우 경사): first and last bar in
metres, spacing, count, and bar number. From the bar positions (코핑철근.md §3).
- Test: 0.300–4.550 (18 @250), 4.800–7.200 (9 @300), 7.450–11.700 (18 @250).
- Not verified in a browser.
Co-Authored-By: Claude Haiku 5.5 <noreply@anthropic.com>