; total time: 0.35
; plan length: 16
(fly plane1 city0 city3 fl6 fl5)
(fly plane3 city0 city1 fl3 fl2)
(board person1 plane3 city1)
(fly plane3 city1 city0 fl2 fl1)
(debark person1 plane3 city0)
(fly plane3 city0 city2 fl1 fl0)
(board person3 plane3 city2)
(fly plane1 city3 city4 fl5 fl4)
(board person6 plane1 city4)
(fly plane1 city4 city3 fl4 fl3)
(fly plane1 city3 city2 fl3 fl2)
(debark person6 plane1 city2)
(fly plane1 city2 city3 fl2 fl1)
(refuel plane3 city2 fl0 fl1)
(fly plane3 city2 city1 fl1 fl0)
(debark person3 plane3 city1)
