; total time: 6.38
; plan length: 87
(move node3-4 node2-4)
(move node2-4 node1-4)
(move node1-4 node1-3)
(move node1-3 node1-4)
(pickup node1-4 key0)
(move node1-4 node2-4)
(unlock node2-4 node2-3 key0 diamond)
(move node2-4 node2-3)
(unlock node2-3 node2-2 key0 diamond)
(move node2-3 node1-3)
(move node1-3 node1-2)
(move node1-2 node2-2)
(unlock node2-2 node3-2 key0 diamond)
(pickup-and-loose node2-2 key8 key0)
(move node2-2 node2-3)
(move node2-3 node2-4)
(move node2-4 node2-5)
(move node2-5 node1-5)
(move node1-5 node1-6)
(move node1-6 node0-6)
(move node0-6 node1-6)
(move node1-6 node2-6)
(move node2-6 node2-5)
(putdown node2-5 key8)
(move node2-5 node2-4)
(move node2-4 node2-3)
(move node2-3 node2-2)
(pickup node2-2 key0)
(move node2-2 node3-2)
(pickup-and-loose node3-2 key2 key0)
(move node3-2 node2-2)
(move node2-2 node2-3)
(move node2-3 node1-3)
(move node1-3 node1-4)
(move node1-4 node1-5)
(move node1-5 node0-5)
(putdown node0-5 key2)
(move node0-5 node1-5)
(move node1-5 node1-4)
(move node1-4 node2-4)
(pickup node2-4 key1)
(move node2-4 node2-5)
(move node2-5 node3-5)
(move node3-5 node4-5)
(move node4-5 node4-6)
(putdown node4-6 key1)
(move node4-6 node4-5)
(move node4-5 node3-5)
(move node3-5 node2-5)
(move node2-5 node2-4)
(pickup node2-4 key4)
(move node2-4 node2-5)
(move node2-5 node3-5)
(move node3-5 node2-5)
(move node2-5 node3-5)
(move node3-5 node2-5)
(move node2-5 node2-6)
(move node2-6 node3-6)
(move node3-6 node4-6)
(move node4-6 node5-6)
(putdown node5-6 key4)
(move node5-6 node4-6)
(move node4-6 node3-6)
(move node3-6 node2-6)
(move node2-6 node1-6)
(move node1-6 node1-5)
(move node1-5 node1-4)
(move node1-4 node1-3)
(move node1-3 node2-3)
(move node2-3 node2-2)
(move node2-2 node3-2)
(pickup node3-2 key0)
(move node3-2 node2-2)
(move node2-2 node2-3)
(move node2-3 node2-4)
(move node2-4 node2-5)
(move node2-5 node1-5)
(move node1-5 node0-5)
(putdown node0-5 key0)
(move node0-5 node1-5)
(move node1-5 node1-4)
(pickup node1-4 key9)
(move node1-4 node1-3)
(move node1-3 node1-2)
(move node1-2 node1-1)
(move node1-1 node1-0)
(putdown node1-0 key9)
