$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$2$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$2$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$20$200$202020$200$20$2020