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

Crossing File	Backbone Overlay
1rtq_A	1rtq_A_sse
1rtr_A	1rtr_A_sse
1rtu	1rtu_sse
1rtw_A	1rtw_A_sse
1rty_B	1rty_B_sse