将n个盘子从A借助B移动到C，必须先将n-1个盘子从A借助C移动到B，在将最后一个盘子从A直接移动到C，最后将剩下的n-1个盘子从B借助A移动到C -N a plate with B to move from A to C, you must first n-1 plates with C to move from A to B, in the last one plate to move directly from A to C, and finally the remaining n-1