Add a (analytical) remark     Apply for account
 06-05-2020 Hanco Elenbaas:
De Problemist, 1952.
 02-12-2023 Herman Spanjer:
4. ... 12-18 5. 36-31 26x28 6. 19-13
 03-12-2023 Ad de Hoon:
4. ... 12-18 5. 36-31 26x28 6. 19-13 09-14 7. 13x33 14-20 8. 33-29 20-25 9. 29-24 25-30 10. 24x35