Question 1：Magic Squares

Question 2：

Question 3：

Question 4：

Question 5：

Question 6：Three-Gate Problem

Question 7：The 5 Pirates Puzzle

Question 8：The Three Hats Logic Puzzle

Question 9：Blue-Eyed Islanders Puzzle

Question 10：Nine Dots Puzzle

Question 11：The Seven Bridges of Königsberg: The Birth of Graph Theory

Question 12：The 1000 Bottles of Poison Puzzle