This file points to 4 pairs of files of the form    "?i0*"
("?" is a single-character wildcard and "*" is a multiple-character wildcard.)

Crossing File	Backbone Overlay
1i07_A	1i07_A_sse
1i0d_A	1i0d_A_sse
1i0r_A	1i0r_A_sse
1i0v_A	1i0v_A_sse