• Eirikur, with this test data the expected result set would be:

    C1473045850 T1954 3730 ''

    C1473045850 T1954 3731 ''

    C1473045850 T1954 3732 ''

    C1473045850 T1954 3733 ''

    (not sure how to indicate the blanks so I used empty quotes, hope that's OK).