; total time: 5.46
; plan length: 49
(board person3 plane2 city0)
(board person4 plane4 city4)
(board person9 plane5 city1)
(board person11 plane3 city10)
(board person13 plane1 city6)
(board person14 plane5 city1)
(fly plane1 city6 city12 fl2 fl1)
(board person2 plane1 city12)
(fly plane1 city12 city13 fl1 fl0)
(board person5 plane1 city13)
(debark person13 plane1 city13)
(board person15 plane1 city13)
(fly plane2 city0 city11 fl3 fl2)
(debark person3 plane2 city11)
(fly plane2 city11 city12 fl2 fl1)
(refuel plane1 city13 fl0 fl1)
(fly plane1 city13 city2 fl1 fl0)
(board person8 plane1 city2)
(board person10 plane1 city2)
(refuel plane1 city2 fl0 fl1)
(fly plane1 city2 city11 fl1 fl0)
(debark person5 plane1 city11)
(debark person8 plane1 city11)
(refuel plane1 city11 fl0 fl1)
(fly plane1 city11 city4 fl1 fl0)
(debark person2 plane1 city4)
(debark person15 plane1 city4)
(refuel plane1 city4 fl0 fl1)
(fly plane1 city4 city6 fl1 fl0)
(debark person10 plane1 city6)
(fly plane3 city10 city0 fl5 fl4)
(debark person11 plane3 city0)
(fly plane3 city0 city3 fl4 fl3)
(fly plane4 city4 city13 fl4 fl3)
(debark person4 plane4 city13)
(fly plane5 city1 city2 fl6 fl5)
(debark person9 plane5 city2)
(fly plane5 city2 city4 fl5 fl4)
(debark person14 plane5 city4)
(fly plane3 city3 city6 fl3 fl2)
(fly plane4 city13 city7 fl3 fl2)
(board person12 plane4 city7)
(fly plane4 city7 city12 fl2 fl1)
(debark person12 plane4 city12)
(fly plane4 city12 city8 fl1 fl0)
(board person1 plane4 city8)
(refuel plane4 city8 fl0 fl1)
(fly plane4 city8 city3 fl1 fl0)
(debark person1 plane4 city3)
