Ключевые слова: answer, assemble, assembly, brain, building, business, c construction, challenge, concept, confident, confused, connect, convinced, cooperation, doubt, game, golden, idea, jigsaw, jigsaw puzzle, join, man, match, opinion, patience, piece, playing, portrait, problem, puzzle, puzzle piece, puzzle pieces, question, reason, reasoning, serious, solution, struggle, success, teamwork, thinking, union,