阿碇

There can't possible be a way, the reason being the following:5 k$ i' r4 B: A4 ]" a( G/ z7 V# a
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 days4 G* N" T: l. [1 W: N; X
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 once
' C, ~4 o0 m; N. iany solution proposed would be statistically impossible.