Ключевые слова: abstract, background, blank, brain, challenge, choice, collect, concept, connection, creativity, dark, decision, element, fit, four, game, group, hand, holding, idea, integration, intelligence, jigsaw, link, match, missing, palm, part, pattern, piece, problem, puzzle, shape, skill, solution, solve, table, teamwork, top, unfinished, unity, view, white, wooden,