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 04-02-2023 Hanco Elenbaas:
De Problemist, maart 1955
5. ... 26-31 6. 47-36 15-20 7. 36x04 20x09 8. 04x48
5. ... 37-42 6. 14-09 42x33 7. 47x29 26-31 8. 29-23
10. ... 05-10 11. 36x15 37-41 12. 15-10