ok I did try this:
setting the 'timeShift' to +2 produced numbers of
1023, 1024, 1, ... , 1021, 1022
setting the 'timeShift' to 0 produced numbers of
1, 2, 3, ..., 1023, 1024
setting the 'timeShift' to -2 produced numbers of
2, 3, 4, ... , 1022, 1023, 0, 1
The -2 shift appears to be...