if   cell   native timestamp        seconds         difference  comment
 0      0: 00000189 00001763  937347057.030465400
 0      1: 00000189 0000187b  937347057.030476600  0.000011200
 0      2: 00000189 00001a4b  937347057.030495160  0.000018560
 0      3: 00000189 00001b05  937347057.030502600  0.000007440
 0      4: 00000189 00001e7f  937347057.030538200  0.000035600
 .
 .
 .
 0    151: 00000189 0000fdba  937347057.032824080  0.000007440
 0    152: 00000189 0000fed7  937347057.032835480  0.000011400
 0    153: 0000018a 0000038e  937347057.032883760  0.000048280  high stamp +1
 .
 .
 .
 0    198: 0000018a 00004462  937347057.033547600  0.000007440
 0    199: 0000018a 000045fd  937347057.033564040  0.000016440
 0    200: 00000000 000003f2  937347056.000040400 -1.033523640  XXX major error: negative diff
 0    201: 00000000 00000981  937347056.000097320  0.000056920
 0    202: 00000000 00000c68  937347056.000127040  0.000029720
 0    203: 00000000 00000eec  937347056.000152800  0.000025760
 .
 .
 .
 0  13835: 000005b0 0000f74a  937347059.819348880  0.000142640
 0  13836: 00000000 0000064e  937347056.000064560 -3.819284320  XXX major error: negative diff
 0  13837: 00000000 0000077a  937347056.000076560  0.000012000
 0  13838: 00000000 00000872  937347056.000086480  0.000009920
 .
 .
 .
# 2 anomalous records found.