HISTORIA
ALGORYTMY
PERMUTACJE
O MNIE
KONTAKT
ZADANIA
(R'F)(R'F2RU'R'F2R2)
RU'R'U'F2U'RUR'DR2
LD'LF2L'DL'
RU'RF2R'UR'
R2F2R2
R2UR2'(U2y')R2UR2'