12 timestvb now,tvbnow,bttvb3 ~* P( ~$ s! I# ?7 t$ F
9 z3 ], ~) b0 Q- f3 Jeach time 4 person but 1 need to back to pick up the other 3: @6 v/ j7 X) F$ f3 `, k
return x 10 = 30 people" w( S+ |9 q. l$ a0 F8 E
1 time return/ G. I# ?2 a$ o( @+ d# K, [1 x
2 person on last time 4 e% c; t# L( Y% q7 N
total : 12 times |