; total time: 0.11
; plan length: 9
(fly plane1 city2 city0 fl5 fl4)
(board person4 plane1 city0)
(fly plane1 city0 city1 fl4 fl3)
(board person2 plane1 city1)
(debark person4 plane1 city1)
(fly plane1 city1 city0 fl3 fl2)
(fly plane1 city0 city2 fl2 fl1)
(debark person2 plane1 city2)
(fly plane1 city2 city0 fl1 fl0)
