Ключевые слова: 3, 3x3, 5619, background, blue, brain, business, classic, colorful, colors, cube, dice, difficult, dimension, editorial, effort, enigma, enigmatical, entertain, entertainment, funny, game, green, hungary, illustrative, illustrativeeditorial, intelligence, isolated, item, logic, mathematical, mathematics, mind, multicolor, mysterious, old, play, problem, puzzle, random, round, rounded, rubik, s, single, solved, square, teaser, three, toy,