12 times
0 u8 W2 Q) l# D4 o% S9 L* H- e公仔箱論壇# G4 X) ^6 y; \
each time 4 person but 1 need to back to pick up the other 3+ ] @% X# d* U2 b/ }% z
return x 10 = 30 people
9 Z5 G) X% p0 |0 H+ p公仔箱論壇1 time return
8 F# M5 n: \4 N2 o0 O5 t' d0 G; ^2 person on last time
( V+ u0 v( D+ v$ t公仔箱論壇total : 12 times |