including files 
XIS0CI_from20061101_0000to20061102_0000.evlist.gz
XIS0CI_from20061102_0000to20061102_2317.evlist.gz
XIS0CI_from20061105_1435to20061105_2326.evlist.gz
XIS0CI_from20061106_0036to20061106_2358.evlist.gz
XIS0CI_from20061107_0016to20061107_1057.evlist.gz
XIS0CI_from20061108_0542to20061108_2354.evlist.gz
XIS0CI_from20061109_0014to20061109_0243.evlist.gz
XIS0CI_from20061123_0215to20061123_1335.evlist.gz
XIS0CI_from20061125_1728to20061126_0000.evlist.gz
XIS0CI_from20061126_0000to20061127_0000.evlist.gz
XIS0CI_from20061127_0000to20061127_0344.evlist.gz
XIS0CI_from20061129_0505to20061130_0000.evlist.gz
XIS0CI_from20061130_0000to20061201_0000.evlist.gz
There are 5 pixels with more than 686 events in 68666 frames in the cal source region.
          18         786        5957
          18         840        5850
          18         894        8192
          18         948       18065
          18        1002       23778