icfp.NodeNotFoundException: trees don't share common root: this=[2]' ' that=[4]' '
	at icfp.Node.ancestor(Node.java:306)
	at icfp.Node.ancestor(Node.java:277)
	at icfp.OverlapInversionOptimizer.optimize(OverlapInversionOptimizer.java:40)
	at icfp.Compress.main(Compress.java:44)
icfp.NodeNotFoundException: trees don't share common root: this=[]'### space size is significant . ' that=[4]' '
	at icfp.Node.ancestor(Node.java:306)
	at icfp.Node.ancestor(Node.java:278)
	at icfp.PLShortcutOptimizer.optimize(PLShortcutOptimizer.java:46)
	at icfp.Compress.main(Compress.java:44)
icfp.NodeNotFoundException: trees don't share common root: this=[2]' ' that=[4]' '
	at icfp.Node.ancestor(Node.java:306)
	at icfp.Node.ancestor(Node.java:277)
	at icfp.OverlapInversionOptimizer.optimize(OverlapInversionOptimizer.java:40)
	at icfp.Compress.main(Compress.java:44)
icfp.NodeNotFoundException: trees don't share common root: this=[]'### space size is significant . ' that=[4]' '
	at icfp.Node.ancestor(Node.java:306)
	at icfp.Node.ancestor(Node.java:278)
	at icfp.PLShortcutOptimizer.optimize(PLShortcutOptimizer.java:46)
	at icfp.Compress.main(Compress.java:44)
icfp.NodeNotFoundException: trees don't share common root: this=[2]' ' that=[4]' '
	at icfp.Node.ancestor(Node.java:306)
	at icfp.Node.ancestor(Node.java:277)
	at icfp.OverlapInversionOptimizer.optimize(OverlapInversionOptimizer.java:40)
	at icfp.Compress.main(Compress.java:44)
icfp.NodeNotFoundException: trees don't share common root: this=[]'### space size is significant . ' that=[4]' '
	at icfp.Node.ancestor(Node.java:306)
	at icfp.Node.ancestor(Node.java:278)
	at icfp.PLShortcutOptimizer.optimize(PLShortcutOptimizer.java:46)
	at icfp.Compress.main(Compress.java:44)
icfp.NodeNotFoundException: trees don't share common root: this=[2]' ' that=[4]' '
	at icfp.Node.ancestor(Node.java:306)
	at icfp.Node.ancestor(Node.java:277)
	at icfp.OverlapInversionOptimizer.optimize(OverlapInversionOptimizer.java:40)
	at icfp.Compress.main(Compress.java:44)
icfp.NodeNotFoundException: trees don't share common root: this=[]'### space size is significant . ' that=[4]' '
	at icfp.Node.ancestor(Node.java:306)
	at icfp.Node.ancestor(Node.java:278)
	at icfp.PLShortcutOptimizer.optimize(PLShortcutOptimizer.java:46)
	at icfp.Compress.main(Compress.java:44)
icfp.NodeNotFoundException: trees don't share common root: this=[2]' ' that=[4]' '
	at icfp.Node.ancestor(Node.java:306)
	at icfp.Node.ancestor(Node.java:277)
	at icfp.OverlapInversionOptimizer.optimize(OverlapInversionOptimizer.java:40)
	at icfp.Compress.main(Compress.java:44)
icfp.NodeNotFoundException: trees don't share common root: this=[]'### space size is significant . ' that=[4]' '
	at icfp.Node.ancestor(Node.java:306)
	at icfp.Node.ancestor(Node.java:278)
	at icfp.PLShortcutOptimizer.optimize(PLShortcutOptimizer.java:46)
	at icfp.Compress.main(Compress.java:44)
icfp.NodeNotFoundException: trees don't share common root: this=[2]' ' that=[4]' '
	at icfp.Node.ancestor(Node.java:306)
	at icfp.Node.ancestor(Node.java:277)
	at icfp.OverlapInversionOptimizer.optimize(OverlapInversionOptimizer.java:40)
	at icfp.Compress.main(Compress.java:44)
icfp.NodeNotFoundException: trees don't share common root: this=[]'### space size is significant . ' that=[4]' '
	at icfp.Node.ancestor(Node.java:306)
	at icfp.Node.ancestor(Node.java:278)
	at icfp.PLShortcutOptimizer.optimize(PLShortcutOptimizer.java:46)
	at icfp.Compress.main(Compress.java:44)
0