3
  0.812125  -0.562259  -0.155941 -0.0566851
  0.478008   0.487854   0.730415  0.0855443
 -0.334606   -0.66773   0.664963   0.750688
         0          0          0          1
 0.886699  0.446733 -0.119139 -0.125168
-0.231352  0.651811  0.722232 -0.122489
 0.400302 -0.612839  0.681313    0.9635
        0         0         0         1
  0.956041   0.260552   -0.13453  -0.336658
-0.0746414   0.659905   0.747633 -0.0010744
  0.283574  -0.704726   0.650344   0.777032
         0          0          0          1
