251期二位5胆:2,4,5,8,9250期二位5胆:0,5,6,7,8中249期二位5胆:0,1,3,5,8错248期二位5胆:0,1,2,4,9中247期二位5胆:1,2,3,5,6中246期二位5胆:0,2,4,6,8中