253期二位6胆:0,1,2,4,6,7252期二位6胆:0,1,4,5,8,9中251期二位6胆:2,3,4,5,6,9中250期二位6胆:0,1,4,5,6,8中249期二位6胆:0,5,6,7,8,9中