subtract 10%iles      0.00000      0.00000    0.0285550    0.0661473
     0.112773     0.177246     0.279002     0.451289     0.833708
diff 10%iles    -0.304763    -0.122778   -0.0506043   -0.0112773      0.00000
   0.00951755    0.0475206     0.118227     0.299753
stardiff 10%iles   -0.0445313   -0.0148377  -0.00372073      0.00000
   0.00124385   0.00707579    0.0146140    0.0268792    0.0553853
stardiff contour -excluded 0.005   -0.0445313    0.0553853