['A', 3, 2, 1], ['B'], ['C'] pan 1, from A to C -> ['A', 3, 2], ['B'], ['C', 1] pan 2, from A to B -> ['A', 3], ['B', 2], ['C', 1] pan 1, from C to B -> ['A', 3], ['B', 2, 1], ['C'] pan 3, from A to C -> ['A'], ['B', 2, 1], ['C', 3] pan 1, from B to A -> ['A', 1], ['B', 2], ['C', 3] pan 2, from B to C -> ['A', 1], ['B'], ['C', 3, 2] pan 1, from A to C -> ['A'], ['B'], ['C', 3, 2, 1] 移动次数：7