Ключевые слова: 3x3, background, brain, brainteaser, classic, color, colorful, creativity, cube, dice, difficult, dimensional, editorial, enigmatic, entertainment, erno, funny, game, green, hungary, idea, illustrative, illustrativeeditorial, ilustrative, intelligence, isolated, leisure, logic, mathematical, mathematics, mind, multicolor, object, play, problem, puzzle, puzzling, random, red, round, rubik, single, smart, solved, solving, square, symbol, three, toy, white,