Checkerboard Regions
problem — every listed problem · all sets
- internal id
- p-afe09416
- uuid
- 0a69b918-08e0-4cdc-9194-11f1eec815e1
- appearances
- wf-1981 (wf-1981)
- held
- not recorded yet
- data
- problemsets/wf-1981.yaml
St statement · D test data · IV/OV input/output validator · So solutions · P complete package — filled = held.