This file points to 4 pairs of files of the form    "?l4*"
("?" is a single-character wildcard and "*" is a multiple-character wildcard.)

Crossing File	Backbone Overlay
1l4d_B	1l4d_B_sse
1l4i_A	1l4i_A_sse
1l4s_A	1l4s_A_sse
1l4u_A	1l4u_A_sse