“Shashki” (Riga), 5-1974 [1476]
Other thematic variants of this Zadacha, please, see below:
Thematic variant: 1. 42-48 43-49 2. 48-31 49x10 3. 05x37 [26].
Thematic variant: 1. 42-48 26-31 2. 48x34 31x22 3. 34-18 22x13 4. 14-09 13x04 5. 05-10 04x15 6. 07-02 15-20 7. 02-19 20-25 8. 19-28 25x34 9. 44-40 34x45 10. 28-50 [45].