12 times
0 P! v3 w; m- M* w# B公仔箱論壇
8 a( W6 K+ V/ h- _! K7 M1 \! N1 \公仔箱論壇each time 4 person but 1 need to back to pick up the other 3公仔箱論壇! Z7 Z9 r1 V/ ]' i+ `1 } N
return x 10 = 30 people
( g3 v7 x; h9 O d# e+ qtvb now,tvbnow,bttvb1 time return, {& ^% k' h2 t
2 person on last time
X F% T" X7 _* C5 e8 vtvb now,tvbnow,bttvbtotal : 12 times |