- Add a (analytical) remark
- How do I add a variation applet (NL)?
- Embed Youtube-film
- Rules for comments
 | 21-01-2020 Arie van der Knaap: |
29. 49-44 11-17
30. 45-40 07-11
31. 40-35
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| PDN Diagram 1 | |||||
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29. 49-44 11-17
30. 45-40 07-11
31. 40-35
| |||||