including files 
XIS0_from20061005_0748to20061005_2127.evlist.gz
XIS0_from20061007_0250to20061008_0000.evlist.gz
XIS0_from20061008_0000to20061008_1012.evlist.gz
XIS0_from20061014_0750to20061015_0000.evlist.gz
XIS0_from20061015_0000to20061015_0205.evlist.gz
XIS0_from20061017_1940to20061018_0000.evlist.gz
XIS0_from20061018_0000to20061019_0000.evlist.gz
XIS0_from20061019_0000to20061020_0000.evlist.gz
XIS0_from20061020_0000to20061021_0000.evlist.gz
XIS0_from20061021_0000to20061021_1807.evlist.gz
XIS0_from20061031_0758to20061031_1803.evlist.gz
There are 1 pixels with more than 536 events in 53651 frames in the cal source region.
         864         830         678