255期一位7胆:1,2,3,4,6,7,9254期一位7胆:1,2,3,6,7,8,9错253期一位7胆:0,1,2,3,6,7,8中252期一位7胆:0,1,2,3,4,7,9中251期一位7胆:0,1,2,4,5,6,7中250期一位7胆:1,3,4,6,7,8,9中