- Add a (analytical) remark
- How do I add a variation applet (NL)?
- Embed Youtube-film
- Rules for comments
 | 19-02-2020 Hein van Dee: |
31. ... 23-29
32. 34x23 12-18
33. 23x21 16x36
...
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| PDN Diagram 1 | |||||
|
31. ... 23-29
32. 34x23 12-18
33. 23x21 16x36
...
| |||||