This file points to 5 pairs of files of the form    "?tg*"
("?" is a single-character wildcard and "*" is a multiple-character wildcard.)

Crossing File	Backbone Overlay
1tgo_A	1tgo_A_sse
1tgs_I	1tgs_I_sse
1tgx_A	1tgx_A_sse
2tgi	2tgi_sse
3tgl	3tgl_sse