Ключевые слова: arrangement, background, concept, connection, design, difficulty, element, endless, game, geometric, graphic, head, human, icon, illustration, inside, jigsaw, line, linear, link, logo, man, management, mark, match, mind, minimal, old, outline, part, pattern, piece, puzzle, repeat, repeatable, repetition, seamless, service, shape, sign, solution, style, support, symbol, team, thin, toy, work, wrapping,