This file points to 5 pairs of files of the form    "?b2*"
("?" is a single-character wildcard and "*" is a multiple-character wildcard.)

Crossing File	Backbone Overlay
1b22_A	1b22_A_sse
1b24_A	1b24_A_sse
1b25_A	1b25_A_sse
1b2p_A	1b2p_A_sse
1b2v_A	1b2v_A_sse