Log entry time 09:28:12 on March 04, 2012

Entry number 363472

This entry is a followup to: 363427

I added a cut of central sieve hole to see how they distributed on focal
plane, esp. tr.y and tr.ph. 
We did not tune septa to get them at the exact center, because the
central sieve hole has offsets in design.

Figure 1

Figure 2