-4.1 -2.2 -0.5 1.2 3.3 4.6 5.1 2.1
5.7 0.2 -8.1 3.6 -3.1 1.2 0.5 2.2
4.1 2.5 7.2 -2.3 5.1 7.3 4.5 1.7
-0.2 -1.2 -3.3 -4.6 -5.0 -2.2 -1.1 0.8
3.2 -0.1 -4.8 7.2 -4.7 1.2 2.3 0.5
5.7 -0.2 5.1 4.6 -3.1 1.2 0.5 5.2
4.1 2.5 7.2 -2.3 5.1 7.3 4.5 1.7

The above numbers are measurements of depth deviations ( in microns )from a
reference position.
There are 56 measurements.
One micron is 1.0e-06 of a meter or 1/25.4 of a mil. A mil is a thousandth
of an inch.