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

Crossing File	Backbone Overlay
1rp3_A	1rp3_A_sse
1rp3_B	1rp3_B_sse
1rpy_A	1rpy_A_sse
3rpb_A	3rpb_A_sse