| File | Type | Notes |
|---|---|---|
| cf001.pl | pl | Data for http://thinks.com/crosswords/number/xfig001.htm for Model Problems/prob021/models/crossfig.html |
| cf002.pl | pl | Data for http://thinks.com/crosswords/number/xfig002.htm for Model Problems/prob021/models/crossfig.html |
| cf009.pl | pl | Data for http://thinks.com/crosswords/number/xfig009.htm for Model Problems/prob021/models/crossfig.html |