12 times
2 o+ j1 w; I7 G6 M# |% Jtvb now,tvbnow,bttvb
% E- i. W8 x& w, l0 j5.39.217.77each time 4 person but 1 need to back to pick up the other 3: [; [+ @' r( ?! j. Y7 c
return x 10 = 30 people
6 q! e6 t6 M L: H& _/ e, e5 E Otvb now,tvbnow,bttvb1 time return" h* G0 n# H: R& v; P# ]* f0 z8 k. D
2 person on last time
4 ^3 o. u, Y4 `+ l$ k1 R5.39.217.77total : 12 times |