i know!
8 N0 Z4 a% d6 hwhen they can have 15 mins discussion.
( v2 W0 f9 F; p! E: p6 q7 pmake 1 of them to do a specific job whcih is counting7 Q/ X, L5 k7 @, H" e8 C( m
only him can turn on off off the light.tvb now,tvbnow,bttvb- F+ j3 J9 F3 Z" z3 O; y
Basically, if you are the first time to get in the room, turn on the light, % ], }+ M4 N `2 F" `
then wait for "the special man" to turn the light off....
0 `, T) |$ L0 V9 e5.39.217.76when "the special man" count in up to 30 (included himself)
/ J0 x3 |1 ^. B9 \5.39.217.76then it is done! |