254期二位6胆:1,3,5,6,7,9253期二位6胆:0,2,4,5,6,9中252期二位6胆:0,1,3,5,7,9中251期二位6胆:1,2,5,7,8,9错250期二位6胆:0,2,3,4,6,9错249期二位6胆:1,3,5,6,7,9中