; total time: 2.16
; plan length: 14
(move node2-4 node1-4)
(move node1-4 node1-3)
(move node1-3 node0-3)
(move node0-3 node0-2)
(pickup node0-2 key3)
(move node0-2 node0-3)
(move node0-3 node1-3)
(unlock node1-3 node2-3 key3 square)
(move node1-3 node2-3)
(pickup-and-loose node2-3 key0 key3)
(move node2-3 node1-3)
(move node1-3 node1-2)
(move node1-2 node1-1)
(putdown node1-1 key0)
