This file points to 5 pairs of files of the form    "?f4*"
("?" is a single-character wildcard and "*" is a multiple-character wildcard.)

Crossing File	Backbone Overlay
1f42_A	1f42_A_sse
1f44_A	1f44_A_sse
1f45_B	1f45_B_sse
1f46_A	1f46_A_sse
1f4p_A	1f4p_A_sse