There can't possible be a way, the reason being the following:公仔箱論壇1 Y$ C3 _( q' A# b7 _8 I
everyday the person being picked is randomly generated, that means for a person to have 99.99% chance of being picked that takes over 600 days公仔箱論壇7 R7 O5 `7 |7 A! ~+ V* S ~
lets just assume only 2 person in the entire group is the unlucky one, and that would case over 4 years of time just to get everybody out in the yard once4 U, W: W- ~/ O% i& S; B% F
any solution proposed would be statistically impossible. |