: 12 .; 18-24 .; 3 (4 ; 5 ; 6-7 )(8-9 ; 10-12 ; 12-14 )
: 13546861_theory_of_braids_kids_rus.pdf
: 32-34; 34-36 (38-40; 42-44; 46-48) (50-52; 54-56; 58-60)
: 13546862_natalya_peluyh_theory_of_braids_adults_rus.pdf
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