work/work2
Iteration 1: cost 574.12723depth1/depth2 0
work/work3
Iteration 2: cost 1.22303E3depth1/depth2 0.5
work/work4
Iteration 3: cost 140.43886depth1/depth2 -0.73353
work/work5
Iteration 4: cost 134.6754depth1/depth2 -0.80005
work/work6
Iteration 5: cost 134.08607depth1/depth2 -0.82461