This file points to 3 pairs of files of the form    "?m8*"
("?" is a single-character wildcard and "*" is a multiple-character wildcard.)

Crossing File	Backbone Overlay
1m8a_A	1m8a_A_sse
1m8p_A	1m8p_A_sse
1m8z_A	1m8z_A_sse