genzo2106

solution:
9 l- I5 u; [4 W, }. ?. v5 I4 z公仔箱論壇7 j- }2 l- w! @8 h) u. [
1st and 2nd lady go over: 2 mins taken
1 ]; o! T4 c6 I5.39.217.77:88981st lady walk back: 1 mins taken5.39.217.77:88983 U! K* r# L" m: L* d
3rd and 4th lady go over: 10 mins taken公仔箱論壇# b7 ]% l, K# R; ~
2nd lady walk back: 2 mins taken
7 ?7 @: m5 u6 D# h7 ]8 P7 X! N1st and 2nd lady walk back: 2 mins taken5.39.217.77:8898- d, |, q& P+ M% f4 N$ j' x- L1 Q
公仔箱論壇( S4 t1 c: P: t! q6 e
In total : 17 mins taken!!! Solved!!