汉诺塔问题：将A柱上大小不一样的圆盘移到C柱上，借助B柱，其中A,B,C柱上的圆盘必须符合大在下小在上地顺序-Tower of Hanoi problem: the A column is not same size disc moved to the C column, the B column, where A, B, C disk column must be consistent with the big in small order in Shangdi