I'm hoping this example is clearer than the last :)

BDAY |NAME | EMPTY |NAME | AGE |AREA-CODE

5th Jim B Scot C 22 413
18th Ron J Ted F 31 615
21st Scot C Jim B 45 213


AFTER SORTING:


BDAY | NAME | EMPTY | NAME | AGE | AREA-CODE

5th Jim B Jim B Jim B 45 213
21st Scot C Scot C Scot C 22 413




Gilly