info           0
 Eigenvalues
 -2.0531158 -0.5146428 -0.2943265 12.8620850
 Eigenvectors
 -0.7003490 -0.5143736  0.2766776 -0.4103420
 -0.3592338  0.4851033 -0.6633588 -0.4422453
  0.1568515  0.5419782  0.6504247 -0.5085321
  0.5965400 -0.4542623 -0.2456669 -0.6143563
 ULU-1
  1.0000000  2.0000000  3.0000000  4.0000000
  2.0000000  2.0000000  3.0000000  4.0000000
  3.0000000  3.0000000  3.0000000  4.0000000
  4.0000000  4.0000000  4.0000000  4.0000000