This file points to 4 pairs of files of the form    "?ft*"
("?" is a single-character wildcard and "*" is a multiple-character wildcard.)

Crossing File	Backbone Overlay
1ft5_A	1ft5_A_sse
1ft9_A	1ft9_A_sse
1ftr_A	1ftr_A_sse
1fts	1fts_sse