; total time: 0.16
; plan length: 18
(fly plane1 city2 city0 fl5 fl4)
(board person4 plane2 city1)
(zoom plane2 city1 city2 fl3 fl2 fl1)
(fly plane2 city2 city3 fl1 fl0)
(debark person4 plane2 city3)
(board person2 plane1 city0)
(board person1 plane1 city0)
(fly plane1 city0 city1 fl4 fl3)
(debark person2 plane1 city1)
(zoom plane1 city1 city2 fl3 fl2 fl1)
(fly plane1 city2 city3 fl1 fl0)
(debark person1 plane1 city3)
(refuel plane1 city3 fl0 fl1)
(fly plane1 city3 city2 fl1 fl0)
(board person5 plane1 city2)
(refuel plane1 city2 fl0 fl1)
(fly plane1 city2 city1 fl1 fl0)
(debark person5 plane1 city1)
