040000 tree 6945b7d3cdd974c98b15caf428779256c4111f21	floorplan
040000 tree 5cceb4dfa8f0558379115009f73d24d67b4eb2a9	placement
040000 tree 00a19b451a15cf25a4cb49275444adff25296a4c	routing
040000 tree 347c10cdb565068cdcdc7a2579cba27d6902d072	synthesis