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 11-11-2021 Sergej Yushkevitch:
Probably, BO: 1. 15-10, 2. 40-34, 3. 45x34 etc+.
 12-11-2021 Ad de Hoon:
-1. ... 50-28 49-44 28x50 01-06 35-40 45x34 50-45 06-01 45x29 01x34