including files 
XIS3CI_from20071201_1923to20071202_0000.evlist.gz
XIS3CI_from20071202_0000to20071202_2334.evlist.gz
XIS3CI_from20071203_0005to20071203_1338.evlist.gz
XIS3CI_from20071204_0524to20071204_2346.evlist.gz
XIS3CI_from20071205_0002to20071205_2343.evlist.gz
XIS3CI_from20071206_0001to20071207_0000.evlist.gz
XIS3CI_from20071207_0000to20071208_0000.evlist.gz
XIS3CI_from20071208_0000to20071208_2359.evlist.gz
XIS3CI_from20071209_0003to20071209_2332.evlist.gz
XIS3CI_from20071210_0020to20071210_2355.evlist.gz
XIS3CI_from20071211_0000to20071212_0000.evlist.gz
XIS3CI_from20071212_0000to20071213_0000.evlist.gz
XIS3CI_from20071213_0000to20071214_0000.evlist.gz
XIS3CI_from20071214_0000to20071215_0000.evlist.gz
XIS3CI_from20071215_0000to20071216_0000.evlist.gz
XIS3CI_from20071216_0000to20071217_0000.evlist.gz
XIS3CI_from20071217_0000to20071218_0000.evlist.gz
XIS3CI_from20071218_0000to20071219_0000.evlist.gz
XIS3CI_from20071219_0000to20071220_0000.evlist.gz
XIS3CI_from20071220_0000to20071221_0000.evlist.gz
XIS3CI_from20071221_0000to20071222_0000.evlist.gz
XIS3CI_from20071222_0000to20071223_0000.evlist.gz
XIS3CI_from20071223_0000to20071224_0000.evlist.gz
XIS3CI_from20071224_0000to20071225_0000.evlist.gz
XIS3CI_from20071225_0000to20071225_0532.evlist.gz
XIS3CI_from20071226_0708to20071227_0000.evlist.gz
XIS3CI_from20071227_0000to20071228_0000.evlist.gz
XIS3CI_from20071228_0000to20071229_0000.evlist.gz
XIS3CI_from20071229_0000to20071230_0000.evlist.gz
XIS3CI_from20071230_0000to20071231_0000.evlist.gz
XIS3CI_from20071231_0000to20080101_0000.evlist.gz
There are 5 pixels with more than 2273 events in 227357 frames in the cal source region.
         857         848        4159
         891         863       85354
         942         933        3445
          24         978       28455
         919        1011        3927