This file points to 9 pairs of files of the form    "?rk*"
("?" is a single-character wildcard and "*" is a multiple-character wildcard.)

Crossing File	Backbone Overlay
1rk8_C	1rk8_C_sse
1rkd	1rkd_sse
1rke_A	1rke_A_sse
1rkl_A	1rkl_A_sse
1rkp_A	1rkp_A_sse
1rkq_A	1rkq_A_sse
1rkt_A	1rkt_A_sse
1rku_A	1rku_A_sse
1rkx_A	1rkx_A_sse