density matrix: [[[[ 0.52749193 -0.00000008  0.00000001 -0.00000001 -0.        ]
   [-0.00000008  0.52749483  0.00000001 -0.00000002 -0.00000001]
   [ 0.00000001  0.00000001  0.54605781 -0.         -0.00000005]
   [-0.00000001 -0.00000002 -0.          0.52754354 -0.00000001]
   [-0.         -0.00000001 -0.00000005 -0.00000001  0.54512648]]

  [[ 0.53329644 -0.00000001  0.00000001  0.00000001  0.        ]
   [-0.00000001  0.53328545  0.         -0.00000009 -0.00000001]
   [ 0.00000001  0.          0.54606967 -0.          0.00000005]
   [ 0.00000001 -0.00000009 -0.          0.53323625 -0.        ]
   [ 0.         -0.00000001  0.00000005 -0.          0.54513838]]]]
overlap matrix: [[[[ 1.  0. -0.  0.  0.]
   [ 0.  1. -0.  0.  0.]
   [-0. -0.  1.  0.  0.]
   [ 0.  0.  0.  1. -0.]
   [ 0.  0.  0. -0.  1.]]

  [[ 1. -0.  0.  0. -0.]
   [-0.  1. -0.  0.  0.]
   [ 0. -0.  1.  0.  0.]
   [ 0.  0.  0.  1. -0.]
   [-0.  0.  0. -0.  1.]]]]