8 P8 D$ j1 P3 x! ?! v% S( q- c公仔箱論壇each time 4 person but 1 need to back to pick up the other 3 : h' h/ K$ M6 d' Jreturn x 10 = 30 people 0 N- B/ a4 T1 M0 ~6 X9 t' f% x1 time return公仔箱論壇+ c: @# }5 v" q R* {
2 person on last time 8 W, U+ }2 H& p& a0 Utotal : 12 times