Add a (analytical) remark     Apply for account
 22-02-2021 Valdas Bieliauskas:

Category A, PWCZ II, 2017

Other thematic variants of this Zadacha, please, see below:

Thematic variant: 1. 23-19 14x23 2. 34x12 26x37 3. 46x10 15x04 4. 30-34 39x30 5. 13-09 04x13 6. 27-32 38x07 7. 47x11 [6].