This file points to 7 pairs of files of the form    "?ga*"
("?" is a single-character wildcard and "*" is a multiple-character wildcard.)

Crossing File	Backbone Overlay
1ga6_A	1ga6_A_sse
1ga8_A	1ga8_A_sse
1gai	1gai_sse
1gak_A	1gak_A_sse
2gac_A	2gac_A_sse
2gac_B	2gac_B_sse
2gat_A	2gat_A_sse