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

Crossing File	Backbone Overlay
1whi	1whi_sse
1who	1who_sse
1wht_A	1wht_A_sse
1wht_B	1wht_B_sse