; total time: 4.40
; plan length: 37
(move node5-5 node4-5)
(move node4-5 node3-5)
(move node3-5 node2-5)
(move node2-5 node2-4)
(move node2-4 node2-3)
(move node2-3 node2-2)
(move node2-2 node2-1)
(move node2-1 node1-1)
(move node1-1 node0-1)
(move node0-1 node0-0)
(pickup node0-0 key0)
(move node0-0 node0-1)
(move node0-1 node1-1)
(move node1-1 node2-1)
(move node2-1 node3-1)
(move node3-1 node4-1)
(putdown node4-1 key0)
(move node4-1 node3-1)
(move node3-1 node2-1)
(move node2-1 node2-2)
(move node2-2 node2-3)
(move node2-3 node1-3)
(move node1-3 node1-4)
(move node1-4 node1-5)
(pickup node1-5 key3)
(move node1-5 node1-4)
(move node1-4 node1-3)
(move node1-3 node2-3)
(unlock node2-3 node3-3 key3 triangle)
(move node2-3 node3-3)
(unlock node3-3 node3-2 key3 triangle)
(unlock node3-3 node4-3 key3 triangle)
(move node3-3 node4-3)
(pickup-and-loose node4-3 key8 key3)
(move node4-3 node3-3)
(move node3-3 node3-2)
(putdown node3-2 key8)
