This file points to 7 pairs of files of the form    "?ad*"
("?" is a single-character wildcard and "*" is a multiple-character wildcard.)

Crossing File	Backbone Overlay
1ad1_A	1ad1_A_sse
1ad2	1ad2_sse
1ad3_A	1ad3_A_sse
1ado_A	1ado_A_sse
1adr	1adr_sse
1adt	1adt_sse
2adr	2adr_sse