This file points to 6 pairs of files of the form    "?tb*"
("?" is a single-character wildcard and "*" is a multiple-character wildcard.)

Crossing File	Backbone Overlay
1tba_A	1tba_A_sse
1tbg_A	1tbg_A_sse
1tbg_E	1tbg_E_sse
1tbr_R	1tbr_R_sse
2tbd	2tbd_sse
2tbv_A	2tbv_A_sse