; search time: 0.01
; plan length: 23
(board person6 plane1 city2)
(board person7 plane3 city5)
(board person8 plane3 city5)
(fly plane1 city2 city0 fl3 fl2)
(board person3 plane1 city0)
(fly plane1 city0 city1 fl2 fl1)
(debark person3 plane1 city1)
(board person5 plane1 city1)
(debark person6 plane1 city1)
(fly plane1 city1 city4 fl1 fl0)
(board person1 plane1 city4)
(board person2 plane1 city4)
(debark person5 plane1 city4)
(fly plane3 city5 city3 fl2 fl1)
(debark person7 plane3 city3)
(fly plane3 city3 city4 fl1 fl0)
(debark person8 plane3 city4)
(refuel plane1 city4 fl0 fl1)
(fly plane1 city4 city1 fl1 fl0)
(debark person2 plane1 city1)
(refuel plane1 city1 fl0 fl1)
(fly plane1 city1 city2 fl1 fl0)
(debark person1 plane1 city2)
